Here are the companies who have been members of ACCA for more than three decades. We are honored and humbled to be associated with true industry greats like these.

Metzger's Inc (Kalamazoo, MI  USA) (01/01/1962)

Richard's Heating & Air Conditioning, Inc. (Falls Church, VA  USA) (01/01/1964)

Condon-Reed, Inc. (Falls Church, VA  USA) (01/01/1964)

Krafft Air Conditioning Service Corp. (Alexandria, VA  USA) (01/01/1964)

Home Air Services (Rockville, MD  USA) (01/01/1964)

ARS of Manassas (Manassas, VA  USA) (01/01/1964)

McCrea Equipment (Temple Hills, MD  USA) (01/01/1967)

Adrian L Merton, Inc. (Capitol Heights, MD  USA) (01/01/1967)

Schneider Heating & Air Conditioning (Onalaska, WI  USA) (01/01/1972)

Parker's Heating & Air Conditioning Inc. (Americus, GA  USA) (01/01/1973)

Indoor Comfort, Inc. (Jacksonville, FL  USA) (01/01/1973)

Waller Heating & Air Conditioning Co (Valdosta, GA  USA) (01/01/1973)

Seasonair, Inc. (Gaithersburg, MD  USA) (01/01/1973)

Hickory Sheet Metal Co., Inc. (Hickory, NC  USA) (01/01/1973)

State Board of Examiners of Plumbing Heating & Fire Contractors (Raleigh, NC  USA) (01/01/1973)

Climate Heating & Cooling (Springfield, VA  USA) (01/01/1973)

Dallas Plumbing Co (Dallas, TX  USA) (01/01/1973)

Dring Air Conditioning & Heating Inc (Dallas, TX  USA) (01/01/1973)

Frymire Services, Inc. (Dallas, TX  USA) (01/01/1973)

C.L. Linfoot Co. (Grand Forks, ND  USA) (01/01/1973)

Isaac Heating & Air Conditioning, Inc. (Rochester, NY  USA) (01/01/1973)

Climate Engineering Inc (Denver, CO  USA) (01/01/1973)

Hauck Brothers Inc. (Springfield, OH  USA) (01/01/1973)

Atlas Butler Heating & Cooling (Columbus, OH  USA) (01/01/1973)

Windau Inc (Sandusky, OH  USA) (01/01/1973)

Rusk Heating & Cooling, Inc. (Covington, KY  USA) (01/01/1974)

Henry Heating & Cooling Inc (Dover, OH  USA) (01/01/1974)

Favret Co (Columbus, OH  USA) (01/01/1974)

Owens Companies Inc (Bloomington, MN  USA) (01/01/1974)

American Heating & Cooling, Inc. (Nashville, TN  USA) (01/01/1974)

Topeka Heating & Cooling (Topeka, KS  USA) (01/01/1974)

James Lane Air Conditioning Co. (Wichita Falls, TX  USA) (01/01/1974)

Lee Company (Franklin, TN  USA) (01/01/1974)

Hallmark Air Conditioning, Inc. (Houston, TX  USA) (01/01/1974)

Busby's Heating & Air (Augusta, GA  USA) (01/01/1974)

Gillette Air Conditioning (San Antonio, TX  USA) (01/01/1974)

John C Cassidy Air Conditioning Inc. (Riviera Beach, FL  USA) (01/01/1974)

Airtron (San Antonio, TX  USA) (01/01/1974)

Keith Air Conditioning, Inc. (Mobile, AL  USA) (01/01/1974)

Climate Control LLC (Mobile, AL  USA) (01/01/1974)

AirRite Air-Conditioning Company (Fort Worth, TX  USA) (01/01/1974)

Arlington Heating & Air Conditioning (Arlington, VA  USA) (01/01/1974)

Ray F Chaney (Baltimore, MD  USA) (01/01/1974)

Bob Mims Heating & Air Conditioning (Staten Island, NY  USA) (01/01/1974)

Summers & Zim's, Inc. (Atglen, PA  USA) (01/01/1974)

Boehmer Heating & Cooling (Pittsburgh, PA  USA) (01/01/1974)

Seaman's Air Conditioning & Refrigeration, Inc. (Grand Rapids, MI  USA) (01/01/1974)

White Heating Inc (Pittsburgh, PA  USA) (01/01/1974)

Arctic Air, Inc. (Royal Oak, MI  USA) (01/01/1974)

ARC Electric Air Conditioning & Heating, Inc. (Wilder, KY  USA) (01/01/1974)

Jack Lehr Electric, Inc. (Allentown, PA  USA) (01/01/1974)

P K Wadsworth Heating & Cooling, Inc. (Solon, OH  USA) (01/01/1974)

Berkeley Heating & Air Conditioning Co. (Gillette, NJ  USA) (01/01/1974)

Caswell & Son Corp (Winnisquam, NH  USA) (01/01/1974)

Atlantic Heating & Air Conditioning Co., Inc. (Brookline, MA  USA) (01/01/1974)

Air Group (Whippany, NJ  USA) (01/01/1974)

TD Industries, Inc. (Dallas, TX  USA) (01/01/1975)

E. M. Logan & Sons, Inc. (Woodbridge, VA  USA) (01/01/1975)

Gulf Power Co. (Pensacola, FL  USA) (01/01/1975)

Air Comfort Corporation (Broadview, IL  USA) (01/01/1975)

American Weathermakers, Inc. (Northbrook, IL  USA) (01/01/1975)

Haslett Heating & Cooling Inc (Columbus, OH  USA) (01/01/1975)

The Lee Thompson Co. (Houston, TX  USA) (01/01/1975)

Standard Refrigerators Inc. (Long Island City, NY  USA) (01/01/1975)

Contractors Heating & Cooling Inc (Nashville, TN  USA) (01/01/1975)

Air Systems Engineering, Inc. (Tacoma, WA  USA) (01/01/1975)

Weber & Grahn Conditioning Corp. (Hampton Bays, NY  USA) (01/01/1975)

Carpenter Furnace Company (Ogden, UT  USA) (01/01/1975)

Southeast Community College (Milford, NE  USA) (01/01/1975)

Tru-Temp Heating & Cooling (Novi, MI  USA) (01/01/1976)

Bon Air Service Co., Inc. (Grand Prairie, TX  USA) (01/01/1976)

Pipco Air Conditioning & Heating Co., Inc. (Timonium, MD  USA) (01/01/1976)

Eberts Energy Center (Mansfield, OH  USA) (01/01/1977)

A. B. May Sales & Service Co., Inc. (Leawood, KS  USA) (01/01/1977)

Gunther's Comfort Air (American Fork, UT  USA) (01/01/1977)

Davis & Davis Heating & Air Conditioning, Inc. (Kensington, MD  USA) (01/01/1977)

Allied Phillips, Inc. (Edgewood, MD  USA) (01/01/1977)

Admiral Heating & Cooling Co. (Pittsburgh, PA  USA) (01/01/1978)

County Wide Service Co., Inc. (San Antonio, TX  USA) (01/01/1978)

A-Plus Air Conditioning & Heating Co. (Bryans Road, MD  USA) (01/01/1978)

Martack Corporation (New Hyde Pk, NY  USA) (01/01/1978)

Valley Heating & Air Conditioning Inc. (McMurray, PA  USA) (01/01/1978)

M & M Mechanical, Inc. (Newington, VA  USA) (01/01/1978)

H & C Inc. (Laurel, MD  USA) (01/01/1978)

Big Tex Heating & Air Conditioning, Inc. (Houston, TX  USA) (01/01/1978)

Bob Baker's Golden Service Inc. (Bowie, MD  USA) (01/01/1978)

Dualco, Inc. (Sterling, VA  USA) (01/01/1978)

Alford Air Conditioning, Inc. (Tequesta, FL  USA) (01/01/1978)

County Fair Air Conditioning Corp. (Westbury, NY  USA) (01/01/1978)

Airways Unlimited Inc (Silver Spring, MD  USA) (02/01/1978)

Dick's Air Conditioning & Heating, Inc. (Fort Washington, MD  USA) (03/01/1978)

John Betlem Inc (Rochester, NY  USA) (01/01/1979)

Bay Temperature Control, Inc. (Baytown, TX  USA) (01/01/1979)

Powers Service Co., Inc. (Cedar Grove, NJ  USA) (01/01/1979)

Professional Electric, Inc. ATA Prolec (Alexandria, VA  USA) (01/01/1979)

Donald P Dick Air Conditioning Inc. (Fresno, CA  USA) (01/01/1979)

Tom Muse Service Co. (Vienna, VA  USA) (01/01/1979)

Max C Smith Co (Gibsonia, PA  USA) (01/01/1979)

L S Hafer Heating & Cooling (Bethel Park, PA  USA) (01/01/1979)

Kahn Mechanical Contractors (Dallas, TX  USA) (01/01/1979)

Controlled Climate Systems Inc (Canonsburg, PA  USA) (01/01/1979)

Meyer & Depew Co., Inc. (Kenilworth, NJ  USA) (01/01/1979)

Care Service Co., Inc. (Houston, TX  USA) (01/01/1979)

Highland Village Air Conditioning & Heat (Houston, TX  USA) (01/01/1979)

P & M Heating & Air Conditioning Co. (Houston, TX  USA) (01/01/1979)

NARS Training Systems (Huntsville, AL  USA) (01/01/1979)

Wolverton Co Inc (Duncanville, TX  USA) (01/01/1979)

Turner Spring Branch Air Conditioning & Heating (Houston, TX  USA) (01/01/1979)

TESST College of Technology (Baltimore, MD  USA) (01/01/1979)

Thermo Products, LLC (North Judson, IN  USA) (01/01/1980)

Waddell Heating & Sheet Metal (Spirit Lake, IA  USA) (01/01/1980)

Chason Service Engineers, Inc. (Timonium, MD  USA) (01/01/1980)

Day & Night Heating & Cooling Co. (Novi, MI  USA) (01/01/1980)

Wright Brothers (Hampton, GA  USA) (01/01/1980)

Comfort-Air Engineering (San Antonio, TX  USA) (01/01/1980)

B & B Air Conditioning & Heating Service Co. Inc. (Rockville, MD  USA) (01/01/1980)

Entek Corporation (Longview, WA  USA) (01/01/1980)