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)

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

ARS of Manassas (Manassas, VA  USA) (01/01/1973)

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

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

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

Hanna Heating & Air Conditioning (Rock Island, IL  USA) (01/01/1973)

Hickory Sheet Metal (Hickory, NC  USA) (01/01/1973)

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

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

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

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

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

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

Condon-Reed, Inc. (Falls Church, VA  USA) (01/01/1973)

Krafft Air Conditioning Service Corp. (Alexandria, VA  USA) (01/01/1973)

Tolin Mechanical Systems Inc. (Denver, CO  USA) (01/01/1973)

McCrea Equipment (Temple Hills, MD  USA) (01/01/1973)

Frymire Engineering Co (Dallas, TX  USA) (01/01/1973)

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

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

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

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

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

Adrian L Merton, Inc. (Capitol Heights, MD  USA) (01/01/1974)

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

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

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

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

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

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

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

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

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

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

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

Air Rite Air Conditioning (Fort Worth, TX  USA) (01/01/1974)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ray F Chaney Heating & Air Conditioning, Inc. (Baltimore, MD  USA) (01/01/1974)

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

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

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

Home Air Services (Rockville, MD  USA) (01/01/1975)

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

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

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

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

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

Kuehnel Sheet Metal (Lindenhurst, NY  USA) (01/01/1975)

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

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

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

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

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

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

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

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

Tru-Temp Heating & Cooling (Garden City, MI  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)

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

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

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

Admiral Heating & Cooling Co. (Pittsburgh, PA  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)

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

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

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

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

Richard's Heating & Air Conditioning, Inc. (Falls Church, VA  USA) (01/01/1978)

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

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

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

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

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