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STSI (Staffing Technical Services

STSI (Staffing Technical Services Email Formats

Staffing and RecruitingFlag of USWheaton, Illinois, United States21-50 Employees

STSI (Staffing Technical Services Email Formats

STSI (Staffing Technical Services uses 3 email formats. The most common is {first initial}{last name} (e.g., jdoe@stsigroup.com), used 44.4% of the time.

FormatExamplePercentage
{first initial}{last name}
jdoe@stsigroup.com
44.4%
{first name}{last name}
johndoe@stsigroup.com
44.4%
{last name}{last name}
doedoe@stsigroup.com
11.1%

Key Contact at STSI (Staffing Technical Services

Flag of US

Joseph Silvestri

Owner

Company overview

Headquarters528 W. Roosevelt Rd. Suite 101, Wheaton, IL 60187, US
Phone number+16305888056
Website
NAICS5613
SIC736
Keywords
Mechanical, Piping, Structural, Recruiting, Civil, Mechanical Engineering, Structural Engineering, Electrical Engineering, Hvac, Staffing, Validation, Control Systems, Scheduling, Electrical, I&C, Cost & Estimating., Geotechnical Engineers
Founded1998
Employees21-50
Socials

About STSI (Staffing Technical Services

Complex projects demand precision, especially when failure isn't an option. That’s why industry leaders in energy, infrastructure, life sciences, mission-critical, and advanced manufacturing rely on STSI to deliver workforce solutions built for technical excellence. With more than 25 years of technical recruiting expertise, STSI solves the growing complexity of workforce acquisition in specialized environments. We’re not just filling roles—we’re engineering workforce solutions that align with the demands of mission-critical projects. Our approach combines deep industry knowledge with a high-integrity recruiting process. We deliver proven professionals in engineering, project controls, validation, automation, and more—whether you need direct hires, contract placements, or flexible workforce augmentation. Most of our candidates are sourced through trusted networks, not job boards, ensuring technical accuracy and cultural alignment from day one. We operate with unwavering ethics: no internal poaching, no blind submissions, and no resume flooding. Every candidate is hand-picked, pre-qualified, and submitted with transparency—because your team deserves nothing less. With a distributed national presence and extended capabilities through Qualified Staffing, Qualified Professional & Technical, and Myticas Consulting, we offer a full-spectrum talent solution, spanning technical, IT, and industrial verticals. At STSI, we don’t just support your projects—we help you deliver them with confidence.

Employees by Management Level

Total employees: 21-50

Seniority

Employees

Entry
Manager
Senior

Employees by Department

STSI (Staffing Technical Services has 14 employees across 7 departments.

Departments

Number of employees

Funding Data

STSI (Staffing Technical Services has never raised funding before.

STSI (Staffing Technical Services Tech Stack

Discover the technologies and tools that power STSI (Staffing Technical Services's digital infrastructure, from frameworks to analytics platforms.

reCAPTCHA

reCAPTCHA

Security

Cloudflare Bot Management

Cloudflare Bot Management

Security

Google Maps

Google Maps

Maps

Beaver Builder

Beaver Builder

WordPress plugins

jQuery Migrate

jQuery Migrate

JavaScript libraries

Cloudflare

Cloudflare

CDN

Twitter Emoji

Font scripts

jQuery

jQuery

JavaScript libraries

Google Ads

Google Ads

Advertising

HTTP/3

HTTP/3

Miscellaneous

PHP

PHP

Programming languages

WordPress

WordPress

Blogs

Frequently asked questions

STSI (Staffing Technical Services is located in Wheaton, Illinois, US.
You can reach STSI (Staffing Technical Services at +16305888056.
STSI (Staffing Technical Services was founded in 1998, making it 28 years old. The company has established itself as a significant player in its industry over this time.
STSI (Staffing Technical Services has approximately 21-50 employees. The company continues to grow its workforce to support its business operations and expansion.

4.8

40,000 users

top 50
high performer
most used
tier 1 accuracy

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