Precision Starts Here

⚙️ Machining Capabilities & Equipment | Sterling Industries

Sterling Industries is a full-service precision machining partner offering a complete line of advanced CNC equipment, tight-tolerance capabilities, and engineered solutions that support prototypes to production runs. Whether your component is simple or complex, large or micro-sized, Sterling’s 70,000 sq. ft. of manufacturing space and 45 experienced associates can get the job done — fast, accurately, and cost-effectively.
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🧰 Overview of Core Machining Capabilities

Capability

Details

Milling
Vertical & Horizontal, up to 1000mm cube, full 4th-axis machining
Turning
Horizontal lathes (800mm max dia.), Swiss turning for small precision parts
Grinding
OD Grinding, Surface Grinding, Blanchard Grinding
Honing
Sunnen Honing for high-precision bore finishing
Balancing
HVR 150 & 300 Dynamic Balancing Systems
Prototyping & Tool Room
Fast-turnaround, one-off and short-run solutions
Assembly & Test
Custom fixturing, mechanical assembly, and in-process functional testing

🏭 Machinery Catalog

Swiss Turning (Small Precision Components)
Citizen L12 (Max Ø12mm) – Twin spindle, gang tooling
Citizen L32 ×3 (Max Ø32mm) – Rotary and gang tooling
Citizen M32 (Max Ø32mm) – Twin spindle, Y-axis
Applications:
Fuel system fittings
Threaded shafts
Hydraulic valve components
Small cylindrical features with 3:1+ L:D ratio
Strength: High-speed machining with exceptional material support and vibration damping.

Vertical Machining Centers

Machines: 6 total
Full 4th-axis and 3+1 capabilities
60-tool magazines
Up to 1000mm cube capacity
Pallet systems for uninterrupted machining
Best For:
Brackets, covers, transmission housings
Tight-tolerance milling on aluminum and cast iron

Horizontal Lathes

Machines: 24 total
6 machines with live tooling
4 machines handle >685mm turning diameter
Max: 800mm turn diameter
Applications:
Engine components
Driveline & powertrain parts
Rotationally symmetric cast or billet features
Precision: ±0.0005" tolerance per linear foot

Tool Room – Rapid Prototyping

Machines:
ProtoTrak M2 Manual Mill
Manual Lathe
OD Grinder
Surface Grinder
Strength: Quick turnaround of jigs, fixtures, and prototype parts — same-day response available.

🧩 Featured Components We Machine

Powertrain & Rotating Components
Balanced Pulleys
Flywheel Housings & Covers
Crankshaft Adapters
Transmission Mounts
Flexplate Assemblies
Fuel & Brake System Components
Precision Shafts, Pins & Fittings
Brake Housings & Couplings
Fuel System Adapters
Spacers
Structural & Custom Parts
Cast or Billet Brackets
Engine Mount Spacers
Manifolds
Special Assemblies (multi-part builds)

📦 Materials Machined

We specialize in machining difficult and high-performance materials, including:
Cast Iron & Ductile Iron
Stainless Steel
Carbon & Alloy Steel
Aluminum Alloys
Bar stock, castings, and billets

🔬 Tolerances & Volume Flexibility

Parameter

Capability

Minimum Tolerance
±0.0005”
Part Size Range
Up to 800mm (turning), 1000mm (milling)
Batch Volumes
From 1 to 3,000 units
Tool Change Readiness
Pallet systems & modular fixturing
We support flexible production programs, including:
Quick-turn prototyping
Pilot runs
Just-in-time (JIT) or blanket releases
Short-run and mid-volume production

Ready to Start Your Next Project?

Upload your prints, 3D models, or volume requirements, and our engineering team will provide fast, informed feedback.
📧 jbjohnson@SterlingIndustriesUSA.com
📞 (812) 376-8286
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Travis Watson

Travis Watson is a results-driven business executive with a strong background in strategic growth, operational excellence, and servant leadership. He has led engineering and manufacturing teams across industries such as aerospace, clean energy, and high-performance vehicles, delivering significant improvements in performance, sales, and quality systems. With experience in roles ranging from Account Manager, Plant Manager to Director of Sales and Operations, Travis has overseen ERP implementations, contract negotiations, and cross-functional team development. His leadership has consistently driven efficiency, employee engagement, and profitability. Travis holds dual Bachelor of Science degrees in Marketing and Distribution Management from Indiana University’s Kelley School of Business. He is a Six Sigma Green Belt, CAPM certified, and holds a CPIM designation. Known for developing people and driving strategic execution, he has been a key contributor to multiple high-performing teams.

Joe Johnson

Joe is a highly accomplished engineering and business leader with decades of experience in mechanical engineering, manufacturing, aerospace, and business development. His career began at Delta Faucet Co., where he honed his skills before moving on to Cummins Engine Co. as a Fuel Systems Product Engineer. He further advanced his expertise as an afterburner specialist for Pratt & Whitney Aircraft.

As a seasoned entrepreneur, Joe co-founded ReGin Manufacturing, successfully growing the company into a $10 million enterprise before its acquisition. He later served as the Engineering Manager at Advance Aero Inc..

Recently, Joe transitioned from his role as Director of Operations at Paramount Industrial and Sterling Industries to become the Director of Business Development and Engineering. In this role he is focused on supporting strategic growth and leveraging his extensive background to drive innovation and success in the industry.

Joe Hetzer

Joe Hetzer brings over three decades of extensive experience in the manufacturing sector, with a specialized focus on the aerospace and automotive industries. Throughout his career, Joe has demonstrated a profound commitment to engineering and manufacturing excellence, making significant contributions to various projects and initiatives.

As a team builder, Joe employs a servant leadership approach, fostering an environment where collaboration and growth are paramount. His ability to inspire and empower teams has made him a respected leader in his field, driving innovation and operational improvements.
A recognized change agent, Joe is dedicated to maximizing productivity and efficiency within organizations. His strategic mindset and hands-on experience enable him to implement effective processes that not only enhance performance but also promote sustainability in manufacturing practices.

With a passion for developing talent and a keen eye for industry trends, Joe Hetzer continues to make a meaningful impact in the manufacturing landscape, ensuring that teams are well-equipped to meet the challenges of today and tomorrow.

Peter C. Ariens

Peter C. Ariens is the Chief Executive Officer of NuMA Group, Inc., a private holding company engaged in the automotive, aerospace, defense, recreational, and heavy-duty industries. Under his leadership, NuMA encompasses several companies that manufacture and distribute critical components for some of the world's largest enterprises, with four manufacturing facilities located in Indiana.Before his role at NuMA Group, Peter served as President of Stens Corporation for 18 years, where he led the international parts manufacturing and distribution company until its acquisition by private equity in 2016.In addition to his executive role at NuMA, Peter actively contributes to various for-profit and non-profit boards, including:Two Ladders, Tell City, Indiana
South Central Inc., Evansville, Indiana
Toolsey, Inc., Indianapolis
He is also a member of professional organizations such as Vistage International and the Alliance of Indiana, affiliated with the IU Kelley School of Business. Previously, Peter held the position of Treasurer on the Trieste board.
NOTE: This application form was designed for use by persons applying for operational associate positions. This application will be considered valid for 90 days after the date of application. 
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Shelia Rossmann

Shelia Rossmann is the Owner and President of Sterling Industries, Inc. and Paramount Industrial, Inc., where she has established herself as an accomplished and results-oriented businesswoman in the manufacturing sector. As a Senior Manufacturing Executive, Shelia leads her woman-owned businesses with a commitment to excellence and innovation.
Her remarkable achievements in the industry were recognized when she won the prestigious Entrepreneur of the Year award in 2013 for Manufacturing in Michigan and North West Ohio, presented by Ernst & Young. This accolade highlights her dedication to driving growth and operational success in her companies, making significant contributions to the manufacturing landscape.
Shelia’s leadership continues to inspire others in the industry, showcasing the impact of women in business and the importance of resilience and strategic vision in achieving success.

Rossier Way, Pontypool

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