#1 FILER

( 186 fillings in this category )

Illinois Tool Works Inc.

155 Harlem Avenue
Glenview IL 60025

#2 FILER

( 152 fillings in this category )

DOW CHEMICAL COMPANY, THE

Wilmington DE

#3 FILER

( 146 fillings in this category )

GEIGY CHEMICAL CORPORATION

SAW MILL RIVER ROAD
ARDSLEY NY 10502

#4 FILER

( 127 fillings in this category )

FORD MOTOR COMPANY

2111 E Roosevelt Ave
Salt Lake City UT 84108

#5 FILER

( 126 fillings in this category )

LF, LLC

1000 Lowe's Boulevard
Mooresville NC 28117

#6 FILER

( 111 fillings in this category )

Newfrey LLC

1000 Stanley Drive
New Britain CT 06053

#7 FILER

( 107 fillings in this category )

SIMPSON STRONG-TIE COMPANY, INC.

5956 W. Las Positas Blvd.
Pleasanton CA 945888540

#8 FILER

( 106 fillings in this category )

BLACK & DECKER CORPORATION, THE

MailStop MR045
6201 Greenleigh Ave
Middle River MD 21220

#9 FILER

( 103 fillings in this category )

AMERICAN CYANAMID COMPANY

WAYNE NJ.

#10 FILER

( 98 fillings in this category )

ALCOA INC.

Alcoa Corporate Center
Pittsburgh PA 152125858

#11 FILER

( 96 fillings in this category )

E. I. Du Pont de Nemours and Company

1007 Market Street
Indianapolis IN 46268

#12 FILER

( 96 fillings in this category )

MASONITE INTERNATIONAL CORPORATION

2771 Rutherford Road
Concord, Ontario L4K2N5

#13 FILER

( 93 fillings in this category )

PRIMESOURCE BUILDING PRODUCTS, INC.

1321 Greenway Dr.
Irving TX 75038

#14 FILER

( 91 fillings in this category )

REYNOLDS METALS COMPANY

RICHMOND VA

#15 FILER

( 90 fillings in this category )

QUALITY EDGE, INC.

2712 Walkent Drive NW
MICHIGAN OH 49544

#16 FILER

( 89 fillings in this category )

ACUMENT INTELLECTUAL PROPERTIES, LLC

840 WEST LONG LAKE ROAD
Sterling Heights MI 48314

#17 FILER

( 86 fillings in this category )

MASTER LOCK COMPANY LLC

6744 South Howell Avenue
Oak Creek WI 53154

#18 FILER

( 83 fillings in this category )

L&P PROPERTY MANAGEMENT COMPANY

4095 FIRESTONE BVD.
SOUTH GATE CA 90280