PSI
Filed: January 7, 1983
ENGINEERING SERVICES IN THE NATURE OF MATERIAL TESTING
Owned by: PROFESSIONAL SERVICE INDUSTRIES, INC.
Serial Number: 73408499
ROOF MAP
Filed: May 3, 1991
computer programs and instructional manuals sold as a unit for use in the area of administering and scheduling building…
Owned by: PROFESSIONAL SERVICE INDUSTRIES, INC.
Serial Number: 74163179
INFORMATION TO BUILD ON
Filed: January 30, 1998
Inspections of building and construction sites
Owned by: PROFESSIONAL SERVICE INDUSTRIES, INC.
Serial Number: 75426328
PTL PITTSBURGH TESTING LABORATORY
Filed: February 12, 1998
plywood, structural panels and other building materials
Owned by: PROFESSIONAL SERVICE INDUSTRIES, INC.
Serial Number: 75432951
PTL
Filed: February 12, 1998
plywood, structural panels and other building materials
Owned by: PROFESSIONAL SERVICE INDUSTRIES, INC.
Serial Number: 75432952
