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Green Tier Participant
to become a Green Tier participant.
DNR contact
Sally Hronek
2984 Shawano Ave
Green Bay WI 54313-6727
Fax 920-662-5197
Company contact
Katherine Donner
Compliance coordinator
1950 Enterprise Dr
De Pere WI 54115
Fax 920-337-2477
C. A. Lawton Co. [exit DNR]

The C.A. Lawton Co. Functionally Equivalent to ISO 14001 Tier 1 participant since 09/27/2013

The C.A. Lawton Co. has operated in De Pere since 1879 and today manufactures large iron castings and machined components for a range of markets including agriculture, paper, mining and energy.

Annual report tidbit

C.A. Lawton installed a variety of bird and bat houses, added donated trees, and consulted a landscaper for guidance with additional native trees and a landscape proposal for future consideration.

Environmental activities

The C.A. Lawton Co. is focused on being an industry leader in sustainability and cutting-edge business practices that respect limited resources. To demonstrate that intent the company has:

  • participated in several independent energy usage assessments to identify obsolete equipment, outdated practices and drains on resources;
  • upgraded a compressed air system, scrap metal pre-heater and light fixtures with more energy efficient models; and
  • diverted excess foundry sand to beneficial reuse projects in nearby communities.


Acceptance letter


Last revised: Thursday March 22 2018