If you’re looking for Wisconsin Precision Machining & Manufacturing or RMG, you’re in the right place. Now operating as Lawton Grafton, we provide precision CNC machining for castings and metal components, from prototypes to production. Backed by ISO 9001:2015 certification, we deliver tight tolerances, dependable quality, and flexible capacity to manufacturers in the transportation, energy, industrial equipment, and other sectors.
Equipment and Capabilities
Lawton Grafton, formerly Wisconsin Precision Machining & Manufacturing (WPM), operates a wide range of machining equipment, with a strong focus on mid-sized horizontal machining centers—primarily from a single manufacturer, Mori Seiki. This strategic concentration offers key advantages, including processing flexibility, streamlined operator training, and simplified maintenance through equipment commonality.
| Grafton Location Equipment | |
|---|---|
| Horizontals | 10 units w/400mm pallets 5 units w/500mm to 800mm pallets |
| Verticals | largest capacity travel (X) 2032mm (Y) 810mm (Z) 750mm |
| Turning Centers | 6 units, largest capacity: 500mm swing x 1200mm length |
Materials, Machining, and Markets
Lawton Grafton specializes in CNC machining of aluminum, cast iron, steel, plastics, titanium, zinc, and other materials. A significant portion of its business is dedicated to aluminum castings. Machining operations are performed using horizontal and vertical machining centers as well as turning centers, with a focus on 400-size horizontal machining centers equipped with 400mm x 400mm pallets.
Lawton Grafton serves a diverse customer base across a broad range of industries and markets, including:
Transportation – Over-the-road and off-road heavy equipment
Industrial Products – Factory floor automation, power control, and distribution
Energy – Oil and gas exploration and production
Utilities – Natural gas distribution and metering, commercial and domestic water metering
Pharmaceutical – Industrial-grade fluid handling and separation
Quality Commitment
Lawton Grafton has maintained a longstanding commitment to quality. The facility has been ISO 9001 certified since 2005. All team members—both new hires and long-time employees—undergo comprehensive training programs to enhance existing skills and develop new competencies. The company’s quality assurance lab features (2) Brown and Sharpe CMMs, a Mitutoyo Contracer, and a range of other precision measuring instruments.
Information Systems
Lawton Grafton operates with a robust software infrastructure on a high-performance server network spanning the entire facility. This ensures team-wide access to up-to-date operational data. To ensure business continuity, all company data is securely backed up off-site nightly. In the event of a hardware or software disruption, these protocols significantly minimize data loss and reduce downtime.
Vendor Base
With decades of experience, Lawton Grafton has established a robust and diverse vendor network to support its external operations. This includes sourcing for raw materials, consumable tooling, heat treatment, surface finishing (such as painting, plating, and anodizing), freight, and related services. All vendors are selectively screened to ensure quality and reliability.
Shipping & Receiving
262-377-3100 option 1
Sales, Customer Service
262-377-3100 option 2
Purchasing
262-377-3100 option 3
Accounting, A/P, A/R
262-377-3100 option 4
