Is Apollo or CellBlock FCS a better fit for MarTech?

Apollo ($100M funding, 1001-5000 employees) suits bigger orgs that need enterprise procurement and broad off-the-shelf integrations. CellBlock FCS (Series D, 11-50 employees) suits smaller buyers who want a fast-moving vendor close to product.

Which has more funding, Apollo or CellBlock FCS?

Apollo reports $100M; CellBlock FCS reports Series D. Kustiq pulls funding from public announcements, SEC filings, and crunchbase-equivalent feeds, then attaches the most recent disclosed number to the snapshot.

Which is bigger, Apollo or CellBlock FCS?

Apollo has 1001-5000 employees; CellBlock FCS has 11-50. Headcount alone doesn't decide the buying call, but it's a strong proxy for vendor maturity, support capacity, and procurement fit.

How fresh is the data on Apollo vs CellBlock FCS?

Apollo was pulled fresh from the live web; CellBlock FCS was pulled fresh from the live web. Each profile is re-pulled from public sources when someone re-runs it: the live site, tech fingerprints, funding announcements, hiring activity. Nothing comes from a stale list of records sitting in a database.

How does Kustiq compare Apollo to CellBlock FCS?

Kustiq pulls a profile from each domain's site, tech fingerprints, funding mentions, and hiring data, classifies it across 22 verticals and 88 segments, then puts Apollo and CellBlock FCS on the same row for funding, headcount, customers, and stack. Free to run, no account. Each side shows its own last-verified date, and re-running a profile updates the pair.

Comparison

Apollo vs CellBlock FCS

Q: What do Apollo and CellBlock FCS actually do?

Apollo Apollo.io is an AI-powered B2B sales platform offering a 230M+ contact database, outbound/inbound automation, data enrichment, and deal execution tools in one unified product. It serves over 600,000 companies globally, positioning itself as a full-stack replacement for fragmented sales tech stacks. CellBlock FCS CellBlock FCS manufactures patented lithium-ion battery fire containment and suppression products, including CellBlockEX fire suppression media, DOT-compliant CellSafe shipping solutions, protective storage systems, and incident response kits. The company serves airlines, mining firms, battery recyclers, technology labs, hospitals, and transportation professionals globally.

Kustiq lines up Apollo and CellBlock FCSon tech stack, hiring posture, funding, and customer signals in 60 seconds, stamped with each profile's last-verified date, free to compare and from $0.20 to profile your own.

Profiled by KustiqRefreshed 9 weeks agoFree · 1 / week no signup · 3 / week with account

Apollo

apollo.io

Apollo.io is an AI-powered B2B sales platform offering a 230M+ contact database, outbound/inbound automation, data enrichment, and deal execution tools in one unified product. It serves over 600,000 companies globally, positioning itself as a full-stack replacement for fragmented sales tech stacks.

MarTechMarTech Vendor

CellBlock FCS

cellblockfcs.com

CellBlock FCS manufactures patented lithium-ion battery fire containment and suppression products, including CellBlockEX fire suppression media, DOT-compliant CellSafe shipping solutions, protective storage systems, and incident response kits. The company serves airlines, mining firms, battery recyclers, technology labs, hospitals, and transportation professionals globally.

ManufacturingIndustrial Manufacturer

Apollo operates 230M+ contact database for B2B sales; CellBlock FCS manufactures lithium-ion battery containment products.
Apollo serves 600,000 companies globally via unified sales platform; CellBlock FCS targets airlines, mining firms, battery recyclers.
Apollo raised Series D $100M funding; CellBlock FCS manufactures DOT-compliant shipping solutions and fire suppression media.

Dimension	Apollo	CellBlock FCS
Vertical	MarTech	Manufacturing
Segment	MarTech Vendor	Industrial Manufacturer
Founded	2015
Employees	1001-5000larger	11-50
Location		Standish, Maine
Funding	Series D ($100M)	Series D
G2 rating	3.01.2k reviews
G2 category	Software Company
Pricing page

Industry signals

Apollo

Business Development ServiceBusiness to Business ServiceInternet Marketing Service

CellBlock FCS

Nothing public on this yet

Tech stack

Stack overlap · 13% · 1 shared, 7 unique

Shared (1)

Cloudflare

Only CellBlock FCS (7)

Backbone.jsGoogle AnalyticsGoogle FontsPHPTurnstileWordPressjQuery

Known competitors

Apollo

Nothing public on this yet

CellBlock FCS

Videos: Halon and WaterCellBlockEXExtinguishing Fires with CellBlockEXHalon and Water

Compare another pair

Apollo is already loaded. Swap one side or both.