![]() Old Structures Engineering Old Structures is one of the leading consultancies in structural engineering for historic and old buildings. | ![]() John A. Martin & Associates John A. Martin & Associates (JAMA) is a company specializing in structural engineering services. | ![]() Donan Engineering Donan consistently provides conclusive, unbiased and accurate forensic investigation services with the fastest turnaround time and best customer service in the industry. | ![]() YU & Associates YU & Associates (YU) is an award-winning, diversified consulting engineering firm providing site/civil, planning, geotechnical and environmental services. | ![]() SEQUIL Systems SEQUIL Systems Inc. is an award-winning professional services firm which provides highly technical building commissioning LEED and energy modeling services | |
Founding Date | Founding Date 1992 | Founding Date 1953 | Founding Date 1947 | Founding Date 1992 | Founding Date 2002 |
Type | Type Private | Type Private | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations New York, US HQ New York, US | Locations Los Angeles, US HQ Cheyenne, US Honolulu, US Lakewood, US Larkspur, US Las Vegas, US Phoenix, US see more | Locations Louisville, US HQ Simpsonville, US Cincinnati, US | Locations Elmwood Park, US HQ New York, US | Locations Delray Beach, US HQ Miami, US New York, US |
Employees | Employees 1515% increase | Employees 1174% increase | Employees 269 | Employees 1442% decrease | Employees 4 |

John A. Martin & Associates (JAMA) is a company specializing in structural engineering services.
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Donan consistently provides conclusive, unbiased and accurate forensic investigation services with the fastest turnaround time and best customer service in the industry.
View company
YU & Associates (YU) is an award-winning, diversified consulting engineering firm providing site/civil, planning, geotechnical and environmental services.
View company
SEQUIL Systems Inc. is an award-winning professional services firm which provides highly technical building commissioning LEED and energy modeling services
View company