3Si Tech Stack

GPS tracking and asset protection platform for law enforcement and security operations

Security and Investigations Malvern, PA 201–500 employees Privately Held

3Si operates a security and asset protection platform built on .NET and PHP, with core modules for GPS tracking, cash protection, and dye-staining systems. The tech stack is traditional enterprise (NetSuite, Sage Intacct for accounting; Pipedrive for sales pipeline), and active projects reveal dual operational tracks: a scalable web application for mapping GPS trackers alongside aggressive accounting automation and M&A integration work — indicating growth-mode acquisition and backend scaling to support field operations.

Tech Stack 15 technologies

Core StackPHP NetSuite C# .NET Visual Studio Jira Git Sage Intacct WPF REST HTTPS Pipedrive PowerPoint Excel Word

What 3Si Is Building

◆Challenges

Improving accounting automation
Due diligence and integration for m&a
Scaling accounting team for growth
Budgeting and capital investment processes
Maintenance and repair of plant equipment
Environmental compliance
Reducing third-party monitoring delays

▲Active Projects

Scalable web application for mapping gps trackers
Mobile applications
Accounting automation and efficiency improvements
Due diligence and integration for m&a
Scaling accounting team
Crime event follow up
Covert line product sales leads
Trade show promotion

Hiring Activity

Accelerating7 roles · 4 in 30d

Department

Engineering

2

Support

2

Finance

1

Manufacturing

1

Sales

1

Seniority

Lead

2

Manager

2

Director

1

Junior

1

Mid

1

Notable leadership hires: Technical Lead, Sales Director, Bureau Chief

Company intelligence

Find more companies like 3Si by tech stack, pain points and active projects

Get started free

About 3Si

3Si provides integrated security solutions for law enforcement, cash handling operations, and asset protection. The product suite spans GPS tracking systems, electronic surveillance, dye and ink staining systems for cash protection, and dispatch-integrated safety platforms. Headquartered in Malvern, PA, the company operates across 201–500 employees and is actively scaling engineering, support, and accounting functions. Current project focus includes building a web application for GPS tracker management and modernizing internal accounting systems to support growth.

HeadquartersMalvern, PA

Company Size201–500 employees

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does 3Si use?

Primary languages: PHP, C#, .NET. Infrastructure: Git, REST, HTTPS. Enterprise tools: NetSuite, Sage Intacct, Jira, Visual Studio, WPF. Sales and productivity: Pipedrive, PowerPoint, Excel.

What is 3Si working on?

Projects include a scalable web application for GPS tracker mapping, mobile application development, accounting automation, M&A due diligence integration, crime event follow-up systems, and sales lead generation for covert product lines.

Similar Companies in Security and Investigations

Other companies in the same industry, closest in size

P

Pye-Barker, formerly Acadiana Security Plus

Security and Investigations

E

Everon

Security and Investigations

S

Securitas Technology

Security and Investigations