Business Directory

Find trusted local businesses on AdfasTy

Browse shops, trades and services from the North Fork to Montauk. Search by keyword, category or town, then contact the business right from its listing.

113local businesses
25categories
38towns & areas

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Alarm Systems & SecurityFeatured

Electronix Systems Central Station Alarms

Huntington Station

Open now · Today Open 24 hours

Electronix Systems is more than just a company. It's our people, our level of service, and our commitment to excellence that makes us who we are. Look to Electronix Systems for unmatched expertise in digital video surveillance, intelligent video verification,...

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Hardware StoreFeatured

Emporium True Value Hardware

Sag Harbor

Open now · Today 8am - 6pm

Come in for paint, tools, housewares, plumbing, garden, marine, electrical, automotive supplies and more. Stop in and get friendly neighborly help & advice from people who really care about your home improvement project. Whether you need keys made, or need...

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Wildlife Control

Evelyn Alexander Wildlife Rescue Center

Hampton Bays

Open now · Today 9am - 5pm

To preserve & protect our region's native wildlife by providing rehabilitation services and education to raise public awareness of the factors that threaten its abundance and diversity.” Estelle Alexander was born 1910, married to Jack Alexander, and had one...

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PlumbingFeatured

Excelsior Plumbing & Heating

Speonk

Open now · Today 9am - 5pm

Excelsior P&H, Inc. was established in 1986 as a one man, one truck service. Since then it has grown into an organization with experienced management and qualified field mechanics using state of the art equipment and installation techniques. Our owner, Ron...

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Fish Tank ServiceFeatured

FishTankService.com

Commack

Open now · Today 9am - 5pm

Deal

We design and install standard or custom aquariums, Glass or Acrylic. We are well-versed in all aquarium filtration systems: canister, wet dry, fluidized bed, ultra-violet sterilization, protein skimmers, internal/external pumps. We work with any technology...

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HVAC

Flanders Heating & Air Conditioning

Hampton Bays

Open now · Today Open 24 hours

At Flanders Heating and Air Conditioning, we have a reputation for being very demanding. And we’re proud of it. You see, a heating and air conditioning company doesn’t survive – much less, thrive – for over half a century unless it remains committed to being...

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Dental

Gentle Dental

Eastport

Open now · Today 9am - 6pm

Gentle Dental is celebrating 45 Years Of Excellence In Dentistry Serving Commack, Port Jefferson, Eastport, Middle Island, & Wading River. We have regular office hours 7 days a week including Sundays and Holidays. We also provide 24 Hour Emergency Dental...

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Auto Repair

Georgica Services

East Hampton

Open now · Today 7:30am - 4:30pm

We are a full service auto repair and restoration shop located at 139 Springs Fireplace Road, East Hampton, NY, about a mile and a half from the East Hampton Village windmill. We can take care of all your automotive needs from New York State Inspections,...

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Water Filtration

GNS Mermaid Water Systems

Mattituck

Open now · Today 8am - 4pm

Originally known as GNS Contracting Corp., Mr. William Gremler and Mr. Cliff Saunders founded the company in 1974 in order to provide solutions to the growing number of water issues arising on the North Fork of Long Island. In 1996, current owner Mr. John...

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Tree Removal

Grealish Tree Service

Southampton

Open now · Today 9am - 5pm

We can prune, place, transplant and remove trees and landscaping. Serving the entire East End since 1982, Grealish Tree Service has always put our attention to detail and customer service as our top priority.

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Landscaping

Green Terrain Landscaping Inc

Medford

Open now · Today 8am - 6pm

Whether it's weekly maintenance on your existing lawn, or a new landscape project, Green Terrain Landscaping can make your dream yard a reality! Founded in 1983, Green Terrain Landscaping Inc. specializes in all phases of landscaping design and maintenance...

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Swimming PoolsFeatured

Guillo Pool Service

Southampton

Open now · Today 8am - 5pm

Guillo Pool Service is a division of Pools by Paul Guillo. We are a full service maintenance company which is capable of handling all of your swimming pool needs. We closely monitor our maintenance staff by sending out a quality control inspector to make...

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From the AdfasTy blog

Local guides from the AdfasTy blog

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November 9, 2026 · AdfasTy

Southampton home services: electricians, tree care, pools and glass

A local guide to the Southampton electricians, tree services, pool care and glass shops listed on AdfasTy — with what each one says it does best.

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November 9, 2026 · AdfasTy

Southampton family businesses with decades of local history

From a 1976 electrician to a lighting showroom that came to Southampton in 1985, these AdfasTy-listed businesses have served the East End for decades.

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