Heartland Enterprises, Ltd.

Heartland Enterprises, Ltd. (trading as Heartland Machining) is a contract CNC machine shop at 1039 Kerr Rd., Fredericksburg, Texas. It is an ITAR registered, full-service producer of machined shafts, rods and other highly engineered parts, working with original equipment manufacturers and their suppliers. The company specializes in large parts from 2 to 42 inches in diameter and says it has more than 30 years of experience.

Capabilities

• Specialty production CNC turning, including vertical turning, and CNC milling
• Large diameter machining: aerospace work from 0.5 up to 26 inches in diameter and 60 inches in length
• Precision grinding of rods and rod assemblies, and boring and honing of long large diameter tubes
• Thread rolling with hardened dies: acme, metric, multi-lead, stub acme, unified and UNJ threads from 0.500 to 2.75 inches in diameter
• Phosphating, honing and sawing
• Coordination of subcontract heat treating and coating
• Material sourcing with supporting documentation to customer specifications

Materials

The shop machines difficult materials including titanium, Inconel, stainless steel, aluminum, 4140 steel and cast iron.

Aerospace and defense work

For aircraft and aerospace customers, the company states that it machines shafts, turbine disks, impellers and similar components. For defense it runs high volume large diameter parts, including components for military aircraft and vehicles, as an ITAR registered contract manufacturer.

Other markets

• Natural gas (reciprocating) compression: packing cases, pistons, liners, flanges and assemblies
• Oil field and hydraulic fracturing
• Heavy equipment
• Medical, communications and microwave industries

Certifications and approvals

• AS9100D
• ISO 9001:2015
• ITAR registered