ERM Group

Provides environmental engineering svcs.

1989 Inc. 5000 Rank:
# 411
1988 Revenue:
$ 117.3 Million
3-Year Growth:
727%
Location:
ExtonPA 
Founded:
1977
Employees:
910

Previous Inc. 5000 Rankings 

1988
#353
1987
#426
1985
#496
1984
#416
1983
#88