Staffing & employment in Ontario, CA

134 staffing & employment listed in Ontario, California. 132 with a phone number and 113 with a website.

Ontario accounts for 2% of the staffing & employment listed in California and ranks #7 among California cities for staffing & employment.

Quick answer

Ontario, CA has 134 staffing & employment listed on USA Business Search. 132 list a phone number and 113 list a website. The most listings are in ZIP codes 91761, 91764, 91762.

Updated October 2026

Staffmark

4200 Jurupa St Ste 302, Ontario, CA 91761 · Claim or fix

Call (909) 390-6131 Website Map

Employbridge (Prologistix / ResourceMFG / Select Staffing)

402 S Milliken Ave e1, Ontario, CA 91761 · Claim or fix

Call (909) 930-0555 Website Map

Options Staffing Solutions

1435 S Grove Ave Ste 4, Ontario, CA 91761 · Claim or fix

Call (909) 923-0575 Website Map

It's Caliber

601 S Milliken Ave Ste m, Ontario, CA 91761 · Claim or fix

Call (800) 573-0884 Website Map

CitiStaff Solutions

1865 E 4th St B, Ontario, CA 91764 · Claim or fix

Call (909) 984-3974 Website Map

ASAP Staffing

2207 S Euclid Ave, Ontario, CA 91762 · Claim or fix

Call (909) 395-0015 Website Map

A Train Staffing Ontario

2121 S Haven Ave #100, Ontario, CA 91761 · Claim or fix

Call (909) 947-3933 Website Map

Accountable Healthcare Staffing

3110 E Guasti Rd Ste 400, Ontario, CA 91761 · Claim or fix

Call (909) 472-4040 Website Map

Accounting Principals

3237 E Guasti Rd Ste 310, Ontario, CA 91761 · Claim or fix

Call (909) 466-8880 Website Map

Accurate Personnel, Llc

1119 S Milliken Ave Ste D, Ontario, CA 91761 · Claim or fix

Call (909) 570-3090 Map

ACS Staffing

642 E Francis St, Ontario, CA 91761 · Claim or fix

Call (562) 572-6792 Website Map

Affluent Staffing

2252 S Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 391-3960 Website Map

Ajilon

3800 Concours Ste 210, Ontario, CA 91764 · Claim or fix

Call (909) 466-8880 Website Map

Align Professional Staffing

112 S Cypress Ave, Ontario, CA 91762 · Claim or fix

Call (909) 297-5283 Website Map

Alliance Staffing Resources Inc

1910 S Archibald Ave Ste J, Ontario, CA 91761 · Claim or fix

Call (909) 930-9122 Map

Alliedup Cooperative Inc.

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Call (909) 490-5380 Website Map

Allstem Connections

4720 Ontario Mills Pkwy, Ontario, CA 91764 · Claim or fix

Call (833) 937-7836 Website Map

Ameri-Staff Inc.

804 S Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 458-1002 Website Map

AppleOne Employment Services

800 N Haven Ave #110, Ontario, CA 91764 · Claim or fix

Call (909) 484-3824 Website Map

Aptitude Agency

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Call (844) 465-5656 Website Map

Arena Construction Staffing

4750 Ontario Mills Pkwy, Ontario, CA 91764 · Claim or fix

Call (909) 342-1244 Website Map

Arrow Staffing Services

1600 S Grove Ave Ste B, Ontario, CA 91761 · Claim or fix

Call (909) 786-4320 Website Map

Avent Group Inc

2414 S Grove Ave, Ontario, CA 91761 · Claim or fix

Call (951) 977-5314 Map

Baron Hr

4295 Jurupa St Ste 113, Ontario, CA 91761 · Claim or fix

Call (909) 937-7510 Website Map

Barrett Business Services

4120 Jurupa St Ste 220, Ontario, CA 91761 · Claim or fix

Call (909) 605-6862 Website Map

BBSI Staffing

4120 E Jurupa Street, Suite 220, Ontario, CA 91761 · Claim or fix

Call (909) 218-5792 Website Map

Beyond Resources Solutions Staffing

1235 E Francis St, Ontario, CA 91761 · Claim or fix

Call (909) 495-3411 Website Map

Bhakta Law Firm

3175 Sedona Ct Ste E, Ontario, CA 91764 · Claim or fix

Call (909) 858-6565 Website Map

Bridgestone Group

1749 S Euclid Ave Ste D, Ontario, CA 91762 · Claim or fix

Call (909) 667-5575 Website Map

Broadway Solutions

2313 E Philadelphia St, Ontario, CA 91761 · Claim or fix

Call (909) 673-0008 Map

Brother & Sister Staffing

4365 E Lowell St Ste G, Ontario, CA 91761 · Claim or fix

Call (909) 927-8385 Map

Brs Staffing - Ontario

1235 E Francis St Ste L, Ontario, CA 91761 · Claim or fix

Call (909) 495-3411 Website Map

C-hiree & Personnel Llc

2404 S Grove Ave, Ontario, CA 91761 · Claim or fix

Call (909) 923-3342 Website Map

Changing Lives Staffing

2515 S Euclid Ave, Ontario, CA 91762 · Claim or fix

Call (909) 287-3444 Website Map

Charttwell Staffing Salutions

402 S Milliken Ave, Ontario, CA 91761 · Claim or fix

Call (909) 292-2080 Website Map

Citi Staff Solutions

1630 E 4th St Ste O, Ontario, CA 91764 · Claim or fix

Call (909) 984-3974 Website Map

CL Staffing

2990 Inland Empire Blvd, Ontario, CA 91764 · Claim or fix

Call (909) 941-8400 Website Map

Clarion Medical Staffing, Inc.

337 N Vineyard Ave, Ontario, CA 91764 · Claim or fix

Call (855) 443-9637 Map

Connect Staffing - Ontario Branch

1802 E G St, Ontario, CA 91764 · Claim or fix

Call (909) 308-4224 Website Map

Consolidated Staffing Solutions

1511 W Holt Blvd Ste O, Ontario, CA 91762 · Claim or fix

Call (909) 740-3511 Website Map

Constant Staffing LLC

3296 E Guasti Rd #110, Ontario, CA 91761 · Claim or fix

Call (909) 408-8086 Website Map

Contemporary Hr Inc

4375 E Lowell St, Ontario, CA 91761 · Claim or fix

Call (909) 418-1794 Website Map

Core Staffing Solutions

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Call (888) 609-8161 Website Map

CornerStone Staffing Solutions

4345 E Lowell St Ste F, Ontario, CA 91761 · Claim or fix

Call (909) 974-4120 Website Map

Creativity Staffing

610 E Francis St, Ontario, CA 91761 · Claim or fix

Call (909) 295-9370 Website Map

Dependable Personnel

1123 N Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 687-7173 Website Map

Deploy Hr

4295 Jurupa St Ste 105, Ontario, CA 91761 · Claim or fix

Call (909) 937-6023 Website Map

Des Services

3281 E Guasti Rd, Ontario, CA 91761 · Claim or fix

Call (909) 212-7618 Website Map

Diamond Staffing Solutions Inc.

2131 S Grove Ave Ste D, Ontario, CA 91761 · Claim or fix

Call (909) 638-2929 Map

Direct Link Solutions Llc

2171 S Grove Ave Ste G, Ontario, CA 91761 · Claim or fix

Call (909) 773-1773 Website Map

Direct Staffing

402 S Milliken Ave Ste A, Ontario, CA 91761 · Claim or fix

Call (909) 771-1732 Website Map

Diversity Business Solutions

2515 S Euclid Ave, Ontario, CA 91762 · Claim or fix

Call (909) 395-0243 Website Map

Dynamic Staffing Resources,llc

980 W 6th St Ste 304, Ontario, CA 91762 · Claim or fix

Call (909) 238-1428 Website Map

Elias & Co. Staffing

720 N Archibald Ave Ste C, Ontario, CA 91764 · Claim or fix

Call (909) 218-7272 Map

Elite Staffing Group

1335 E 4th St Ste C, Ontario, CA 91764 · Claim or fix

Call (909) 500-1282 Website Map

EMI

3281 E Guasti Rd Ste 700, Ontario, CA 91761 · Claim or fix

Call (909) 638-8656 Website Map

Empire Transportation Solutions

402 S Milliken Ave Ste G, Ontario, CA 91761 · Claim or fix

Call (877) 343-7483 Website Map

Empire Workforce Solutions

402 S Milliken Ave Ste G-H, Ontario, CA 91761 · Claim or fix

Call (909) 635-6550 Map

Employee Force Provider Inc

1435 S Grove Ave Ste 6, Ontario, CA 91761 · Claim or fix

Call (909) 773-0493 Website Map

Epic HR

4295 E Jurupa St #105, Ontario, CA 91761 · Claim or fix

Call (909) 937-6023 Website Map

Esmar Management Group

302 S Milliken Ave Ste E2, Ontario, CA 91761 · Claim or fix

Call (909) 724-4600 Website Map

Expert Staffing West

2990 Inland Empire Blvd Ste 109, Ontario, CA 91764 · Claim or fix

Call (909) 256-4749 Map

Fastemps - Ontario

609 Lemon Ave, Ontario, CA 91764 · Claim or fix

Call (909) 259-6010 Website Map

First Rate Staffing

2665 E Riverside Dr Ste C, Ontario, CA 91761 · Claim or fix

Call (909) 941-6600 Website Map

Full Steam Staffing

2121 S Haven Ave, Ontario, CA 91761 · Claim or fix

Call (909) 947-3755 Website Map

G.a. Rogers & Associates

3281 E Guasti Rd Ste 470, Ontario, CA 91761 · Claim or fix

Call (909) 316-6003 Website Map

Geklaw

3602 Inland Empire Blvd Ste C-160, Ontario, CA 91764 · Claim or fix

Call (213) 739-7000 Website Map

Great Hire Staffing Agency

3350 Shelby St #200, Ontario, CA 91764 · Claim or fix

Call (951) 405-0888 Website Map

Huprich Law Firm

980 W 6th St, Ontario, CA 91762 · Claim or fix

Call (909) 766-2226 Website Map

Inland Staffing

124 E F St #2, Ontario, CA 91764 · Claim or fix

Call (909) 241-4487 Website Map

Interlink Staffing Inc.

2215 S Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 395-9235 Website Map

Jcr Services

4295 Jurupa St Ste 108, Ontario, CA 91761 · Claim or fix

Call (562) 458-6736 Map

Kamran Staffing, Inc. - Corporate

800 N Haven Ave Ste 425, Ontario, CA 91764 · Claim or fix

Call (909) 476-0008 Website Map

Kamran Staffing, Inc. - Ontario

601 S Milliken Ave Ste H, Ontario, CA 91761 · Claim or fix

Call (909) 212-0300 Website Map

Kelly Services

3350 Shelby St Ste 125, Ontario, CA 91764 · Claim or fix

Call (909) 946-5811 Website Map

Kimco Staffing Services

3990 Concours St #125, Ontario, CA 91764 · Claim or fix

Call (909) 390-9881 Website Map

Law Office of Damien J Miranda

3400 Inland Empire Blvd, Ontario, CA 91764 · Claim or fix

Call (909) 484-9041 Website Map

Leading Staffing Solutions

722 S Euclid Ave Ste 105, Ontario, CA 91762 · Claim or fix

Call (909) 443-7552 Website Map

Ledgent Finance and Accounting

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Call (909) 466-3584 Website Map

Lithium Staffing

610 E Francis St Unit 120, Ontario, CA 91761 · Claim or fix

Call (909) 457-0039 Map

Next Level-Staffing

350 S Milliken Ave Ste H, Ontario, CA 91761 · Claim or fix

Call (909) 458-0022 Website Map

Obrera Workforce Staffing Solutions

337 N Vineyard Ave Ste 311, Ontario, CA 91764 · Claim or fix

Call (909) 321-0081 Website Map

Outstanding Care Agency

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Call (800) 559-8905 Website Map

Parker + Lynch

3800 Concours Ste 210, Ontario, CA 91764 · Claim or fix

Call (909) 466-8880 Website Map

Partners Personnel

1640 S Grove Ave Ste E, Ontario, CA 91761 · Claim or fix

Call (909) 937-1083 Website Map

Partnership Staffing Solutions

2448 S Vineyard Ave Unit 106, Ontario, CA 91761 · Claim or fix

Call (909) 930-3710 Map

Peopleready

4345 E Lowell St Ste H, Ontario, CA 91761 · Claim or fix

Call (909) 937-1208 Website Map

Personnel Plus

844 S Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 460-1881 Website Map

Pirate Staffing

116 W Holt Blvd, Ontario, CA 91762 · Claim or fix

Call (909) 984-3333 Website Map

Premium Transport Staffing

2171 S Grove Ave Ste J, Ontario, CA 91761 · Claim or fix

Call (909) 218-8801 Website Map

PrideStaff

3281 E Guasti Rd Ste 470, Ontario, CA 91761 · Claim or fix

Call (909) 316-6003 Website Map

Priority Personnel Services

350 S Milliken Ave Ste M, Ontario, CA 91761 · Claim or fix

Call (909) 937-6888 Website Map

Priority Workforce

2000 S Grove Ave #110, Ontario, CA 91761 · Claim or fix

Call (909) 390-9100 Map

ProDrivers

402 S Milliken Ave Ste E1, Ontario, CA 91761 · Claim or fix

Call (909) 360-4289 Website Map

ProLogistix

3633 Inland Empire Blvd Ste 850, Ontario, CA 91764 · Claim or fix

Call (909) 930-0557 Website Map

Rally Staffing

1910 S Archibald Ave, Ontario, CA 91761 · Claim or fix

Website Map

Randstad

1520 N Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 391-6196 Website Map

ResourceMFG

3633 Inland Empire, Ste 850, Ontario, CA 91764 · Claim or fix

Call (909) 259-5320 Website Map

Robert Half

3633 Inland Empire Blvd Ste 955, Ontario, CA 91764 · Claim or fix

Call (909) 843-9039 Website Map

Rojas Enterprises

214 S Euclid Ave, Ontario, CA 91762 · Claim or fix

Call (909) 467-9814 Map

Secure Staff

2000 S Grove Ave Ste 111, Ontario, CA 91761 · Claim or fix

Call (909) 781-6740 Website Map

Select Staffing

3633 Inland Empire, Ste 850, Ontario, CA 91764 · Claim or fix

Call (909) 930-0555 Website Map

Simplified Labor Staffing Solutions

1035 S Milliken Ave, Ontario, CA 91761 · Claim or fix

Call (909) 294-7822 Website Map

Skystaff Llc

615 N Euclid Ave, Ontario, CA 91762 · Claim or fix

Call (909) 395-0091 Map

Source One Staffing

1910 S Archibald Ave Ste F, Ontario, CA 91761 · Claim or fix

Call (909) 476-0990 Map

Sourcenow

2409 S Vineyard Ave, Ontario, CA 91761 · Claim or fix

Call (909) 222-6684 Website Map

South Bay Safety, Inc.

4335 E Airport Dr Ste 101, Ontario, CA 91761 · Claim or fix

Call (909) 295-8818 Website Map

Spectra360

800 N Haven Ave Ste 380, Ontario, CA 91764 · Claim or fix

Call (909) 547-3800 Map

Square One Staffing

4295 E Jurupa St #104, Ontario, CA 91761 · Claim or fix

Call (909) 218-7859 Website Map

Ss Personnel

2411 S Grove Ave Ste 207, Ontario, CA 91761 · Claim or fix

Call (888) 810-9675 Website Map

Staffing Network, Llc

3602 Inland Empire Blvd Bldg A , Ste 130, Ontario, CA 91764 · Claim or fix

Call (909) 296-4090 Website Map

Staffmark

1801 S Excise Ave, Ontario, CA 91761 · Claim or fix

Call (909) 605-0408 Website Map

States Hr

350 S Milliken Ave Ste T, Ontario, CA 91761 · Claim or fix

Call (909) 562-8884 Website Map

Talent Human Resources

601 S Milliken Ave Ste K-180, Ontario, CA 91761 · Claim or fix

Call (909) 493-9596 Website Map

Tca Staffing

1455 Auto Center Dr, Ontario, CA 91761 · Claim or fix

Call (909) 237-0210 Map

Team-one Staffing Services

1777 S Vintage Ave, Ontario, CA 91761 · Claim or fix

Call (909) 974-0209 Map

Tek Systems

901 Via Piemonte, Ontario, CA 91764 · Claim or fix

Call (855) 210-9676 Website Map

The Osm Group

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Website Map

The Right Hire Inc

2215 S Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (909) 395-9235 Map

Trillium Drivers

1525 S Grove Ave Ste 7, Ontario, CA 91761 · Claim or fix

Call (909) 296-6100 Website Map

U Work Personnel

2990 Inland Empire Blvd Ste 103, Ontario, CA 91764 · Claim or fix

Call (909) 544-2884 Website Map

Ultimate Staffing Services

3200 E Guasti Rd Ste 100, Ontario, CA 91761 · Claim or fix

Call (909) 466-6099 Website Map

Ultra Personnel

326 E Holt Blvd Ste E, Ontario, CA 91761 · Claim or fix

Call (909) 226-5830 Website Map

Unison Staffing

1801 E Holt Blvd #101, Ontario, CA 91761 · Claim or fix

Call (909) 969-0866 Website Map

Vaco Llc

901 Via Piemonte, Ontario, CA 91764 · Claim or fix

Call (714) 933-4489 Website Map

Valiant Law

800 Ferrari Ln #100, Ontario, CA 91764 · Claim or fix

Call (909) 254-5771 Website Map

Voyage Employer Services

804 S Mountain Ave, Ontario, CA 91762 · Claim or fix

Call (877) 513-4615 Website Map

Wilshire Law Firm

337 N Vineyard Ave, Ontario, CA 91764 · Claim or fix

Call (909) 303-6556 Website Map

Workforce Enterprises

1335 E 4th St Ste C, Ontario, CA 91764 · Claim or fix

Call (909) 301-0118 Website Map

Workforce Enterprises Inc

1525 S Grove Ave, Ontario, CA 91761 · Claim or fix

Call (909) 923-0022 Website Map

Workforce Outsourcing

1500 S Haven Ave, Ontario, CA 91761 · Claim or fix

Call (909) 605-5783 Website Map

Woxforce Staffing

3281 E Guasti Rd Fl 7, Ontario, CA 91761 · Claim or fix

Call (909) 939-6699 Website Map

York Employment

980 N Ontario Mills Dr, Ontario, CA 91764 · Claim or fix

Call (909) 581-0181 Website Map

Zone Medical Staffing, LLC

904 N Turner Ave Ste 18, Ontario, CA 91764 · Claim or fix

Call (877) 328-7445 Website Map

How to choose a staffing agency in Ontario

Ask who will actually do the work and how often you'll hear from them.
Get the scope, price and timeline in writing.
Ask for two references from clients like you.

Common questions

How many staffing & employment are listed in Ontario, California?

USA Business Search shows 134 staffing & employment in Ontario. 132 list a phone number and 113 list a website.

Which ZIP codes do these listings cover?

They include ZIP codes 91761, 91764, 91762.

How do I choose a staffing agency in Ontario?

Ask who will actually do the work and how often you'll hear from them. Get the scope, price and timeline in writing.

How do staffing & employment in Ontario compare with the rest of California?

Ontario has 2% of the 6,139 staffing & employment listed in California, which ranks #7 among California cities for this category.

How do I add or fix a listing?

Listings are free. Use Add your business, or the Claim or fix link on any listing.

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