Manufacturer representatives connect equipment makers with engineers, contractors and distributors within defined product lines and territories.
Designs and produces equipment
Product engineering, manufacturing, testing, factory support and warranty administration.
Makes the product; may sell through its own team, distributors or independent reps.
Supplies equipment and products
Purchasing, inventory, quotations, order fulfillment, branch operations and contractor account support.
Typically purchases and resells products; availability and commercial product lines vary by branch.
Stocks and sells products through branch counters
Counter and inside sales, will-call, credit, purchasing, inventory, delivery and contractor account support across pipe, valves, fittings, plumbing and HVAC supplies.
Buys and stocks products for contractor pickup and jobsite delivery; the branch counter is the primary touchpoint rather than project engineering support.
Represents selected product lines
Specification support, equipment selection, sales engineering, quotations, submittals and project coordination.
Represents manufacturers within defined lines and territories; some also stock or distribute products.
Business types describe functions, not exclusive labels. A stocking rep may also be a distributor; a manufacturer may operate its own sales channel. Wholesale suppliers are distributors in function, so some companies fit both; this directory separates supply-house counters from applied-equipment distributors by how contractors buy from them. Companies appear in every category supported by their official sources.
Commercial and industrial equipment: VRF systems circulate refrigerant to multiple indoor units for zoned heating and cooling; chillers supply chilled water or another cooling fluid to airside or process systems. Boilers include commercial fire-tube and water-tube steam and hot-water units for heating and process loads. Applied HVAC also includes cooling towers and engineered air-handling systems; refrigeration includes compressors, condensing units and cold-storage equipment. Plumbing and piping include water heating, drainage, pipe, fittings and valves. Product lines vary by company.
Representatives often support specifications, equipment selection, quotations, submittals and project coordination. Some also stock products or provide startup and service. Territory and authorization can differ by manufacturer and product; a firm’s office location does not establish its full sales territory.
Review schedules and specifications, prepare selections and submittals, and coordinate orders and technical questions.
Work with consulting engineers and contractors on system requirements, equipment applications and project opportunities.
Where offered, coordinate startup and technical service; lead sales teams, principal relationships and business operations.
Example paths, not company-specific policies or guaranteed promotions.
Progress through equipment knowledge, specification review and accurate project execution. Entry requirements vary.
Develop relationships with engineers and contractors alongside strong equipment-selection knowledge.
Ownership or partnership is not an automatic next step; it depends on the firm and its arrangements.
Identify the represented product lines, actual territory and balance of engineer-facing versus contractor-facing work. Specify applications, submittal, project-sales and startup responsibilities separately.
Independent public reference directory, not a Gulfstream client list. Listings do not imply affiliation, endorsement or current hiring. US research is expanding in verified batches; this is not a complete census. Territories vary by product line; confirm coverage with the company.
Commercial HVAC manufacturers’ representative serving New York and New Jersey. Its official manufacturer list includes Greenheck, Titus, Price, Antec Controls, Neptronic, Trion and Zehnder Rittling.
Manufacturer reps — HVAC · Controls
New York and New Jersey, per ADE's official website.
Company and careers · Official website · SourceChecked 2026-10-22
Commercial HVAC equipment representation.
Manufacturer reps — HVAC
Chicagoland and northern Illinois
Company and careers · Official website · SourceChecked 2026-10-21
Hydronic equipment representation and packaged-system manufacturing.
Manufacturers · Manufacturer reps — HVAC · Hydronics · Plumbing · Pumps
Northern California, Nevada, Oregon, Washington and Alaska
Company and careers · Official website · SourceChecked 2026-10-21
HVAC/R and plumbing representation with distributor support and training.
Manufacturer reps — HVAC · Plumbing · Pumps · Controls
Arizona, California, Colorado, New Mexico, Nevada and Utah
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC manufacturers’ representative. Its official manufacturer list includes AAON, LG, ClimateMaster, Dunham-Bush, Marley and WaterFurnace, among others. Available lines vary by project location; consult DMG’s regional manufacturer lists for the applicable equipment and brands.
Manufacturer reps — HVAC · Controls
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-22
Commercial plumbing manufacturer representation.
Manufacturer reps — Plumbing
New York City area and northern New Jersey
Company and careers · Official website · SourceChecked 2026-10-21
Commercial plumbing, heating and HVAC equipment representation.
Manufacturer reps — HVAC · Plumbing · Hydronics
Northeastern United States; product territories vary
Company and careers · Official website · SourceChecked 2026-10-21
Commercial plumbing and HVAC representation and distribution.
Distributors · Manufacturer reps — HVAC · Plumbing · Pumps
Indiana, southern Illinois, Michigan, southern Ohio, Kentucky, Missouri and Kansas
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC solutions firm combining engineering expertise with manufacturer partnerships and integrated services.
Manufacturer reps — HVAC · Controls
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-22
Stocking manufacturer representation and HVAC distribution.
Distributors · Manufacturer reps — HVAC
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC equipment supplier and representative providing equipment, building automation, distribution, and service.
Distributors · Manufacturer reps — HVAC · Controls · Hydronics
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-22
Commercial HVAC and building-automation firm bringing manufacturers together with sales engineers.
Manufacturer reps — HVAC · Controls · Hydronics
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-22
Commercial and industrial HVAC&R distribution, representation and service.
Distributors · Manufacturer reps — HVAC · Controls
US operations; consult the official office locator for individual markets
Company and careers · Official website · SourceChecked 2026-10-21
Wholesale heating and air-conditioning equipment, including light-commercial products.
Distributors · Manufacturer reps — HVAC
Pennsylvania, Maryland, Delaware, New York, West Virginia and Virginia
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC and plumbing representation, including hydronic and steam equipment.
Manufacturer reps — HVAC · Plumbing · Hydronics · Pumps · Controls
Sales offices across Tennessee, Alabama, North Carolina, South Carolina and Georgia; product territories vary
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC equipment representation and engineering support.
Manufacturer reps — HVAC
Central and south Texas
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC manufacturers’ representative and mechanical solutions provider serving multiple Midwestern markets.
Manufacturer reps — HVAC · Hydronics
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-22
Engineered commercial HVAC equipment representation and project support.
Manufacturer reps — HVAC
Arizona, New Mexico and the El Paso market
Company and careers · Official website · SourceChecked 2026-10-21
Plumbing, heating and hydronic product representation.
Manufacturer reps — Plumbing · Hydronics
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-21
Manufacturer representation serving wholesale plumbing and HVAC markets.
Manufacturer reps — HVAC · Plumbing
Ohio, Kentucky, western Pennsylvania, West Virginia and upstate New York
Company and careers · Official website · SourceChecked 2026-10-21
Manufacturer representation for plumbing, heating, HVAC and hydronic products.
Manufacturer reps — HVAC · Plumbing · Hydronics
Midwest; consult the official line cards for exact territories
Company and careers · Official website · SourceChecked 2026-10-21
Stocking manufacturer representative for commercial HVAC and plumbing equipment, including AERCO condensing boilers, Bryan hydronic and steam boilers, and Burnham Commercial fire-tube boilers.
Manufacturer reps — HVAC · Plumbing · Pumps · Hydronics · Piping & valves · Boilers
Michigan and northern Ohio; product territories vary
Company and careers · Official website · SourceChecked 2026-10-22
Florida commercial HVAC manufacturers’ representative. Its official manufacturer list includes Greenheck, Price, FläktGroup, Condair, Phoenix Controls, Vibro-Acoustics and Air Monitor, with lines assigned by office (Tampa, Orlando, Jacksonville, Miami and West Palm Beach).
Manufacturer reps — HVAC · Controls
Official manufacturer list assigns lines to Tampa, Orlando, Jacksonville, Miami and West Palm Beach offices.
Company and careers · Official website · SourceChecked 2026-10-22
Represents commercial HVAC equipment manufacturers and provides equipment sales and project support.
Manufacturer reps — HVAC · Controls · Hydronics
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-22
Pumps, boilers, water heating and heat-transfer equipment representation.
Manufacturer reps — Hydronics · Pumps · Plumbing
Virginia
Company and careers · Official website · SourceChecked 2026-10-21
Commercial HVAC manufacturers’ representative founded in 1955. Its official manufacturer list covers more than 100 brands, including Baltimore Aircoil, Price, Stulz, Ruskin, Twin City Fan, Condair and WaterFurnace, with lines assigned by branch.
Manufacturer reps — HVAC · Applied HVAC · Controls
Official manufacturer pages assign lines to branches in AL, FL, GA, TN.
Company and careers · Official website · SourceChecked 2026-10-22
Commercial HVAC representation including pumps and heat-transfer equipment.
Manufacturer reps — HVAC · Hydronics · Pumps
Exact US territory not recorded; consult the official company site.
Company and careers · Official website · SourceChecked 2026-10-21
Hydronic heating and cooling equipment representation.
Manufacturer reps — HVAC · Hydronics
Central and southern Ohio and Kentucky
Company and careers · Official website · SourceChecked 2026-10-21
Gulfstream recruits for commercial mechanical contractors. These equipment-sector guides are reference material, not a claim that we represent every business listed.
Candidate application · Submit a hiring inquiry · Directory corrections or removals