"NSA provides the purchasing power we need to be competitive in today’s market. It’s vital to realize every cost advantage possible and NSA is a key partner for us in this effort."

Guy Mingo, Marsden Holding, St. Paul, MN


National Service Alliance is the industry-leading group purchasing organization for building service contractors and related businesses in the United States. 

Members benefit from the tremendous purchasing power of the group and enjoy contractually protected pricing on a wide variety of equipment and services, saving money without disrupting their established supply chain or retraining site personnel.



Welcome NSA's Newest Members:

SDQ - Minnetonka MN

Beltway Cleaning Services- Washington DC

Ocean State Janitorial Services/Cleantech Services, Inc. - Rumford RI

Janarus (Grove Partners of Nashville) - 
Nashville TN

Southwestern Building Services -  Houston TX

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