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John Hartmann Email & Phone Number

National Sales Manager, Contract Aerospace Machine Shop at Tolerance Masters Inc
Location: Circle Pines, Minnesota, United States 5 work roles 2 schools
2 work emails found @tolerancemasters.com 6 phones found area 763 and 612 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 6 phones

Work email j****@tolerancemasters.com
Direct phone (763) ***-****
LinkedIn Profile matched
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Current company
Tolerance Masters Inc
Role
National Sales Manager, Contract Aerospace Machine Shop
Location
Circle Pines, Minnesota, United States
Company size
20 employees

Who is John Hartmann? Overview

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Quick answer

John Hartmann is listed as National Sales Manager, Contract Aerospace Machine Shop at Tolerance Masters Inc, a with 20 employees, based in Circle Pines, Minnesota, United States. AeroLeads shows a work email signal at tolerancemasters.com, phone signal with area code 763, 612, and a matched LinkedIn profile for John Hartmann.

John Hartmann previously worked as Sales Manager, Manufacturing Aerospace at Timron Precision Gear and Regional Sales Manager, Manufacturing, Machining at Kurt Manufacturing. John Hartmann holds Bachelor Of Science, Industrial Technology from Iowa State University.

Company email context

Email format at Tolerance Masters Inc

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*@tolerancemasters.com
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AeroLeads found 2 current-domain work email signals for John Hartmann. Compare company email patterns before reaching out.

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Profile bio

About John Hartmann

I have been in contract machining for over 30 years. I have the experience to tie in our manufacturing capability with customer product design needs.I WORK PRIMARILY WITH Aerospace OEM'sAerospace PMA'sComplex Flight Safety/Flight CriticalSystems & Equipment ProductsHave the capability to solve machining challenges of close tolerance designs.Have the full service manufacturing services to provide turn-key solutions.We work well with Fortune 100 companies and other leading aerospace companies.SPECIALTIES► Sales Management► Technical review of print design and its related specifications► Lead Generation► Relationship Building► Contract Review► Attention to Detail

Listed skills include Contract Manufacturing, Account Management, Aerospace/Defense, Sales Management, and 15 others.

Current workplace

John Hartmann's current company

Company context helps verify the profile and gives searchers a useful next step.

Tolerance Masters Inc
Tolerance Masters Inc
National Sales Manager, Contract Aerospace Machine Shop
circle pines, minnesota, united states
Website
tolerancemasters.com
Employees
20
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Company profile
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5 roles

John Hartmann work experience

A career timeline built from the work history available for this profile.

National Sales Manager, Contract Aerospace Machine Shop

Current
Tolerance Masters Inc

Greater Minneapolis-St. Paul Area

I have been in contract machining for over 30 years. I have hands on experience in a machining environment, including gear/hobbing operator, grinding, assembler in transmission plant. My foundation in machining started with thorough understanding of gears and gear related product for the aerospace industry.● Primary contact for all customers.● Respond to all customer inquiries.● Servicing existing accounts.● Lead generation.● Train & manage sales team.

Aug 1995 - Present

Sales Manager, Manufacturing Aerospace

Timron Precision Gear

Elk River, Mn

Aug 1994 - Aug 1995

Regional Sales Manager, Manufacturing, Machining

Kurt Manufacturing

Greater Minneapolis-St. Paul Area

Nov 1990 - Jul 1994

Regional Sales Manager

Summit Gear Inc.

Greater Minneapolis-St. Paul Area

Dec 1983 - Nov 1990

Sales Engineer

Western Gear Corporation

Los Angeles, Ca

Jul 1980 - Dec 1983
Team & coworkers

Colleagues at Tolerance Masters Inc

Other employees you can reach at tolerancemasters.com. View company contacts for 20 employees →

DA Don Affeldt Don Affeldt Colleague at Tolerance Masters IncUnited States View → RS Ron Sijka Ron Sijka Colleague at Tolerance Masters IncCircle Pines, Minnesota, United States View → JO Jeffery Otstot Jeffery Otstot Colleague at Tolerance Masters IncSt. Croix County, Wisconsin, United States View → JS Jesica Sia Yuen Chong Jesica Sia Yuen Chong Colleague at Tolerance Masters IncPhilippines View → JB Julie Benson Julie Benson Colleague at Tolerance Masters IncJacksonville, Florida, United States View → AF Alison Falldin Alison Falldin Colleague at Tolerance Masters IncSt Paul, Minnesota, United States View → CC Corrine Clausen Corrine Clausen Colleague at Tolerance Masters IncHugo, Minnesota, United States View → RS Rod Scherlin Rod Scherlin Colleague at Tolerance Masters IncCircle Pines, Minnesota, United States View → RS Ron Sojka Ron Sojka Colleague at Tolerance Masters IncCircle Pines, Minnesota, United States View → DP Dawn Peterson Dawn Peterson Colleague at Tolerance Masters IncIsanti, Minnesota, United States View →
2 education records

John Hartmann education

Bachelor Of Science, Industrial Technology

Iowa State University

Education record

Rockford East High School
FAQ

Frequently asked questions about John Hartmann

Quick answers generated from the profile data available on this page.

What company does John Hartmann work for?

John Hartmann works for Tolerance Masters Inc.

What is John Hartmann's role at Tolerance Masters Inc?

John Hartmann is listed as National Sales Manager, Contract Aerospace Machine Shop at Tolerance Masters Inc.

What is John Hartmann's email address?

AeroLeads has found 2 work email signals at @tolerancemasters.com for John Hartmann at Tolerance Masters Inc.

What is John Hartmann's phone number?

AeroLeads has found 6 phone signal(s) with area code 763, 612 for John Hartmann at Tolerance Masters Inc.

Where is John Hartmann based?

John Hartmann is based in Circle Pines, Minnesota, United States while working with Tolerance Masters Inc.

What companies has John Hartmann worked for?

John Hartmann has worked for Tolerance Masters Inc, Timron Precision Gear, Kurt Manufacturing, Summit Gear Inc., and Western Gear Corporation.

Who are John Hartmann's colleagues at Tolerance Masters Inc?

John Hartmann's colleagues at Tolerance Masters Inc include Don Affeldt, Ron Sijka, Jeffery Otstot, Jesica Sia Yuen Chong, and Julie Benson.

How can I contact John Hartmann?

You can use AeroLeads to view verified contact signals for John Hartmann at Tolerance Masters Inc, including work email, phone, and LinkedIn data when available.

What schools did John Hartmann attend?

John Hartmann holds Bachelor Of Science, Industrial Technology from Iowa State University.

What skills is John Hartmann known for?

John Hartmann is listed with skills including Contract Manufacturing, Account Management, Aerospace/Defense, Sales Management, Precision Machining, Technical Drawing, Contract Negotiation, and Lead Generation.

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