21st Century Systems, Inc.

21csi.com

information technology & services

21csi.com

Omaha, Nebraska, United States

11-50 employees

19674000 revenue

LinkedIn Profile

About 21st Century Systems, Inc.

agentbased systems & decision support systems, agentbased systems, decision support systems, software development, investment management, financial services, online platforms, risk management, forex license, investment opportunities, market volatility, asset diversification, securities and commodity contracts intermediation and brokerage, art valuation, services, alpine holiday homes, asset management, finance, portfolio management, regulatory compliance

21st Century Systems, Inc.'s Tech Stack

Decision Makers at 21st Century Systems, Inc.

2 contacts

William Palmer

CEO

b***@21st.org Sign up to view

Jeffrey Clark

EXECUTIVE VICE PRESIDENT & CFO

j***@21csi.com Sign up to view

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3 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

21st Century Systems, Inc. is a technology company. Software vendors, dev tools, and SaaS platforms find technology companies like this highly receptive. Use StackWho to identify the right decision-maker (CTO, VP Eng, or Head of Product) and reach out with a stack-specific pitch.

21st Century Systems, Inc.'s Position in the StackWho Database

• 21st Century Systems, Inc. is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 800 companies in Nebraska are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as 21st Century Systems, Inc.).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does 21st Century Systems, Inc. use?

21st Century Systems, Inc. uses Mobile Friendly, Nginx, Remote. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at 21st Century Systems, Inc.?

StackWho has verified email addresses for 2 decision makers at 21st Century Systems, Inc.. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 21st Century Systems, Inc. directly for sales, recruiting, or partnerships.

What industry is 21st Century Systems, Inc. in?

21st Century Systems, Inc. operates in the information technology & services industry, headquartered in Omaha, Nebraska, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export 21st Century Systems, Inc.'s contact data?

Yes. StackWho Pro members can export decision maker contact data for 21st Century Systems, Inc. and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.