A Brief Look At Our History
A fresh start
Our first warehouse
1958
1958
M. M. Stepp & Louis M. Watkins purchase assets of bankrupt sheet metal shop for $5,000 and set up shop at 2409 White Settlement Road in Fort Worth, Texas. The company is named using the middle initials of the two Partners.
1960
1960
Circa 1960 
1960
1960
Circa 1960 
1961
1961
M&M opens small shop in 1,500 sq/ft., former grocery store in Wichita Falls, Texas.
1962
1962
M&M erects first company owned building (4,300 sq/ft.) building at 117 Vacek, Fort Worth. Company grows to four employees.
1963
1963
Rod Stepp joins company and becomes Managing Partner.
1964
1964
Mike (Butch) Stepp joins company and later becomes a Partner.
1965/69
1965/69
Fort Worth plant expands to 14,000 sq/ft.
1971
1971
First company owned Wichita Falls building – 7,500 sq/ft., at 523 Beverly Drive.
1973
1973
New 24,000 sq/ft., company facility constructed at 200 Adolph Street in Fort Worth. M&M purchases first coil processing line.
1976
1976
Company acquires Barnes Sheet Metal in Pleasant Grove – a Rectangular Duct Shop with 12 employees.
1979
1979
Fort Worth plant expands to 34,000 sq/ft.
1980
1980
Dallas plant moves from rented building in Pleasant Grove to new company owned 13,600 sq/ft. plant at 10880 Bekay Street in Dallas.
1982
1982
Fort Worth Adolph plant expands to 55,000 sq/ft.
1982/84
1982/84
Dallas Bekay plant expands to 40,000 sq/ft.
1988
1988
M&M purchases bankrupt competitor in Dallas and moves assets to rented facility at 520 Ted Street in Houston, Texas and starts from scratch manufacturing duct pipe and fittings.
1993
1993
Dallas Bekay plant expands to 84,000 sq/ft.
1996
1996
Houston plant moves to newly constructed company owned 40,000 sq/ft. facility located at 5555 Guhn Road.
1999/2000
1999/2000
M&M builds new 210,000 sq/ft. plant and corporate home office at 4001 Mark IV Parkway in Fort Worth.
2000
2000
Adolph Street location becomes separate division with product lines of plan and spec ductwork and general sheet metal products.
2001
2001
S. Shiloh – Dallas Plant 
2002
2002
Dallas Bekay plant relocates to renovated 170,000 sq/ft. building at 360 S. Shiloh in Garland, Texas.
2007
2007
TGF Management Corp. announces the recapitalization of M&M in support of the Company’s continued growth. Wichita Falls production is relocated to Fort Worth.
2008
2008
Expansion completed at Adolph plant location. 23,000 sq/ft. added for increased weld capacity.
2010
2010
M&M acquires Wilkins Corporation, Little Rock, AR.
2014
2014
M&M opens new HVAC multi-purpose manufacturing plant in Austin, TX
2016
2016
M&M Manufacturing Company acquired Snappy, a leading supplier of metal duct systems for the residential HVAC market, on December 15th, 2016.
2021
2021
April 2021, Marmon Holdings, Inc., a Berkshire Hathaway Company, purchased M&M Manufacturing, Inc.
The Dallas plant
A fresh start
Our first warehouse