Businesses in Hauppauge, New York

1,706 local businesses across 97 categories, from lawyers, manufacturing & wholesale and financial advisors. 0.2% of everything listed in New York.

Quick answer

Hauppauge, NY has 1,706 businesses listed on USA Business Search in 97 categories across 6 ZIP codes. The most-listed are lawyers, manufacturing & wholesale and financial advisors.

Updated October 2026

Most listed in Hauppauge

Lawyers Manufacturing & wholesale Financial advisors Real estate agents Insurance agents Doctors & clinics Restaurants Business consulting Nonprofits & community Accountants & tax

Home services

General contractors (54)Movers & hauling (8)Electricians (7)Flooring (6)HVAC & heating (6)Windows & doors (6)House cleaning (5)Kitchen & bath remodeling (4)Water & fire restoration (3)Solar (3)Garage doors (2)Interior design (2)Landscaping & lawn care (2)Plumbers (2)Roofers (2)Home inspectors (1)

Marketing & advertising

Printing & signs (25)Marketing agencies (13)Advertising agencies (10)Photographers & video (9)Web design (4)Graphic design (1)

Auto

Gas stations (12)Auto parts (8)Auto repair (7)Auto glass (5)Car dealers (5)Car wash & detailing (2)Tires (1)

Food & drink

Restaurants (67)Grocery & specialty food (16)Coffee shops & cafes (12)Bakeries & desserts (11)Pizza (6)Bars & breweries (5)Mexican restaurants (3)Catering (1)

Health & medical

Doctors & clinics (71)Wellness & alternative health (28)Counseling & therapy (21)Pharmacies (20)Eye care (18)Physical therapy (14)Dentists (11)Senior living & home care (10)Chiropractors (7)Urgent care & hospitals (5)Massage therapy (3)

Beauty & personal care

Spas & med spas (23)Hair salons (18)Nail salons (6)Dry cleaning & laundry (4)Barbers (2)Tattoo & piercing (1)

Professional services

Business consulting (60)Accountants & tax (54)IT & computer services (39)Engineering & architecture (27)Staffing & employment (24)Shipping & couriers (23)Software development (22)Funeral homes (1)

Real estate

Real estate agents (75)Property management (8)Self storage (8)

Finance & insurance

Financial advisors (84)Insurance agents (72)Banks & credit unions (29)Mortgage lenders (29)

Legal

Lawyers (139)

Shopping & retail

More shopping (44)Phones & electronics (26)Furniture & home decor (20)Hardware & garden (18)Sporting goods & outdoor (8)Clothing & boutiques (5)Florists & gifts (4)Liquor stores (2)

Pets

Pet grooming & training (4)Pet stores (3)Veterinarians (2)

Fitness & recreation

Gyms & fitness (24)Martial arts (2)Dance studios (1)Golf (1)Outdoor adventure & tours (1)

Hotels & travel

Travel agencies (5)Hotels & lodging (4)

Education & childcare

Schools & tutoring (16)Childcare & preschools (4)

Events & entertainment

Arts & entertainment (24)Event planning & weddings (6)Event venues (3)

Business & industrial

Manufacturing & wholesale (115)Propane & energy (6)

Community & faith

Nonprofits & community (57)Churches & places of worship (9)

Featured · From the team behind USA Business Search

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