Flagship explainer

How Chicago Rivet & Machine Co. makes its money

Start with a dollar of revenue and follow what the filing says remains.

revenueBranching filed flows with values and percentages directly labeled. Missing filing concepts are omitted rather than estimated.Revenue$27.9M · 100%Cost of revenue$23.8M · 85%Gross profit$4.1M · 15%Operating income−$1.2M · −4%Income before tax−$1.2M · −4%Income tax−$95096 · −0%Net income−$1.1M · −4%As of 2025-12-31 · 1 SEC filing sourceBuy Like Buffett · buylikebuffett.com

Honest partial: the filing did not provide a normalized tag for Research and development, Selling, general and administrative; those components are omitted, not plugged.

Table alternative
Filed lineValue% of revenueSource
$27.9M100%
Cost of revenue$23.8M85%
$4.1M15%
−$1.2M−4%
Income before tax−$1.2M−4%
Income tax−$95096−0%
−$1.1M−4%
Source: · event Dec 31, 2025 · retrieved Jul 26, 2026 · annual-row source set
Embed this chart

View the full Chicago Rivet & Machine Co. analysis at Buy Like Buffett