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A History of Innovation
Our mission is to deliver precision parts that meet exact specifications, on time, every time. We align our priorities with our customers’ needs through communication, flexibility, and continuous improvement. By standardizing processes and embracing innovation, we build lasting value for our customers and team.
Our vision is to be the trusted manufacturing partner of choice for aerospace and defense, recognized for innovation, precision, and a relentless commitment to quality. We aim to grow through continuous improvement, strong customer relationships, and a team-driven pursuit of excellence.
Our goal is to deliver high-precision CNC parts that exceed customer expectations in quality, delivery, and compliance—while continuously advancing our capabilities, empowering our team, and strengthening long-term partnerships in the aerospace and defense industries.
1947
Founding year
Founded in 1947, In Tolerance began in a garage with a vision for precision manufacturing.
Expansion and growth
In 1963, In Tolerance expanded beyond its original garage space, marking its first major growth into a dedicated manufacturing facility.
Innovation and advancements
John Scott joins the company full-time, bringing new leadership and introducing its first CNC turning center, launching In Tolerance into modern machining.
New Ownership
Robert D. Becker acquires the company, ushering in a new phase of modernization and growth. That same year, In Tolerance is honored as "Sub-Contractor of the Year" by the SBA, recognizing its excellence in precision manufacturing.
Exponetial Growth
The company moves into a new facility on 29th Street Drive SE and is Awarded a major Navy contract to conduct a case study on RAMP.
Quality Certification
In Tolerance becomes an ISO-registered company, reinforcing its commitment to standardized quality systems
Growth Recognition
Recognized on Inc. Magazine’s “Fastest Growing 5000” list, marking a decade of strong, sustained growth.
Process Certification
Achieves NADCAP certification, expanding in-house capabilities in special processes and meeting elite aerospace industry standards.
Robotics & Expansion
Integrated robotic cells and multi pallet on vertical, horizontal and multi axis mills to enable "lights out" production. Purchased half a dozen machines, expanding our Swiss, hyper-quadrex and vertical capabilities.
End-to-End Precision, Certified Quality
Precision Manufacturing Excellence
With over 75 years of experience, we specialize in CNC milling, turning, and Swiss machining—delivering tolerances as tight as ±.0002" for mission-critical aerospace and defense parts.
Legacy of Trust and Growth
Founded in 1947, we’ve grown from a garage-based machine shop to a state-of-the-art facility recognized by Rockwell Collins, Inc. Magazine, and industry leaders nationwide.
Certified to the Highest Standards
AS9100, ISO 9001, and NADCAP certified—ready to meet the strictest requirements in aerospace, defense, and advanced manufacturing.
Process Innovation & Flexibility
Our custom-built scheduling and capacity planning systems let us adapt quickly to shifting customer needs while maintaining a 99.5%+ on-time delivery rate.
Meet Some of Our Team Members
Robert Becker
President & Owner
Rober Becker, President and Owner
39 years as President of In Tolerance. 45 years of experience as an Industrial Engineer.
Can often be found on a 100-mile bicycle ride on his custom-built low-rider.
RAGBRAI 🚴♂️
Doodles 🐕
Tammy Baker
Quality Manager
Tammy Baker, Quality Manager
10 years at In Tolerance. 30+ years of experience spent in Quality and manufacturing across Injection Molding, Polyurethane, Sheet Metal and Machining.
An outdoor enthusiast who can be found bowfishing, running or doing yard work.
Scenic views of water and mountains 🎣
Go Irish! 🍀
Christopher James
Scheduling Manager
Chris James, Scheduling Manager
7 years at In Tolerance. 15 years of aerospace manufacturing experience.
Sports fan who loves spending quality time and exploring new places with his wife and two daughters.
Iowa Hawkeyes 🏈
Rocky Mountain adventures 🏔️
Kim Chalupa
Account Manager
Kim Chalupa, Account Manager
8 years of manufacturing experience at In Tolerance.
Balances her love for travel and adventure with peaceful days spent golfing or reading.
Gym rat 💪
Animal lover 🐶
Jerad Boots
Estimator
Jerad Boots, Estimator
29 years at In Tolerance. 31 years of manufacturing experience.
Likes spending time with his wife, 3 kids and 3 dogs. Enjoys watching sports and follows the Hawkeyes, Red Sox and Niners.
Golf ⛳
Hunting and Fishing 🦌
Jeff Kramer
Shop Manager
Jeff Kramer, Operations Manager
36 years at In Tolerance. 39 years of manufacturing experience.
Jeff, above all, loves the Lord and spending quality time with his wife Dana and sons Timothy and Aaron.
Golf ⛳
Hunting & Fishing 🎣
Dave Alger
Purchasing Manager
Dave Alger, Purchasing Manager
27 years at In Tolerance. 36 years of manufacturing experience.
Outside of work you can find Dave spending time with his wife and his Yorkie Kai.
Traveling overseas ✈️
Hunting 🦌
Krystal Lnenicka
Account Manager
Krystal Lnenicka, Account Manager
10 years at In Tolerance. 24 years of experience in the aerospace industry.
Krystal enjoys family time with her daughter and son and cheering for the Hawkeyes and Buffalo Bills!
Karaoke 🎤
Bon fires 🔥
Adam Gobeli
Project Manager
Adam Gobeli, Project Manager/Revenue Strategist
New to In Tolerance in 2025. 14 years of combined experience in supply chain and manufacturing.
Loves spending time with his wife and two kids - family dance parties, movie nights and drawing and painting together.
Artist 🎨
Stand-up comedy 😂
The Numbers
- 50+
Industry Awards - 40,372+
Unique Manufactured Parts - 70+
Trusted Clients
