G2

Derek M.

Senior Manufacturing Operations & Vendor Partnership Manager

Mechanical or Industrial Engineering

Small-Business (50 or fewer emp.)

10/6/2026

Business partner of the seller or seller's competitor, not included in G2 scores.

"Klaviyo’s Segmentation and Triggered Flows Streamlined Our Manufacturing Updates"

4.5/5

What do you like best about Klaviyo?

What I like best about Klaviyo is its segmented customer list builder and trigger-based automated email flows, which have transformed how we nurture our industrial equipment clients and component vendor relationships at Alenx Industrial Fabricators. As Senior Manufacturing Operations & Vendor Partnership Manager, I oversee custom equipment build timelines, supplier coordination, and client communications for our small-batch manufacturing work. Our lean 11–50 person team has no dedicated IT or marketing staff, so we needed a tool that lets us build targeted outreach sequences without heavy coding or technical setup. Before Klaviyo, we relied on generic mass emails and manual follow-up check-ins with every client and supplier. We often missed notifications for upcoming equipment delivery reviews, component lead-time updates, and annual client equipment maintenance reminders, which created bottlenecks in our production schedule.

Klaviyo’s drag-and-drop flow builder lets me build automated communication sequences tied directly to customer and vendor data triggers. For example, I created a dedicated flow for active custom equipment clients that fires staged emails at key production milestones. When we mark a client’s order as “component sourcing in progress,” Klaviyo automatically sends an update with supplier lead times and a link to the shared cloud folder for technical drawings. Once fabrication enters the assembly phase, a second automated message goes out to schedule their pre-shipment inspection. This automation eliminates roughly 5 hours of manual email drafting and status updates each week, freeing me to focus on shop floor coordination and vendor quality checks. The platform’s list segmentation tools also let me split contacts into separate groups: active build clients, prospective industrial buyers, metal component suppliers, and equipment service partners. I can filter our supplier list to target only vendors with lead times longer than six weeks to send proactive material forecasting requests, instead of sending identical messages to our entire contact database.

I also leverage Klaviyo’s built-in performance dashboards to track open rates and click activity for our technical update emails. When we sent a bulk notice about revised raw material pricing last quarter, the dashboard flagged that three key component suppliers had not opened the message. I followed up with those vendors manually before the pricing change took effect, preventing unexpected material cost spikes for two ongoing equipment builds.

An unexpected benefit I’ve uncovered is Klaviyo’s custom field functionality to store manufacturing-specific metadata. I added custom properties to log each client’s equipment model number, scheduled delivery date, and assigned project engineer. This data feeds directly into email templates, so every automated message auto-populates with the correct technical details without manual copy-pasting. This reduces human error that previously caused mix-ups between different client project specs.

For our small manufacturing team without IT support, Klaviyo removes the burden of repetitive, manual client and vendor communications. Its trigger-based automations and granular contact segmentation keep our stakeholders aligned across every stage of equipment fabrication, reduce missed status updates, and protect our rigid manufacturing delivery deadlines. Review collected by and hosted on G2.com.

What do you dislike about Klaviyo?

What I dislike most about Klaviyo is that it is built primarily for B2C e-commerce workflows, so it lacks native support for the technical document attachments and complex B2B vendor tracking our small manufacturing team relies on, paired with contact-based pricing that creates unexpected cost creep as we add supplier and client records. As Senior Manufacturing Operations & Vendor Partnership Manager at Alenx Industrial Fabricators, I manage custom equipment builds, component supplier coordination, and client technical updates, with our lean 11–50 person team having no dedicated IT staff. Klaviyo does not support native file attachments in automated emails, which creates constant extra work for our manufacturing communications. When sending milestone updates to our equipment clients or lead-time alerts to metal component vendors, I cannot attach PDF technical drawings, material test certificates, or inspection reports directly within Klaviyo’s automated flows. Instead, I must manually upload each document to our cloud storage, generate a shareable link, and embed that link into every email template. During our last heavy fabrication cycle, I spent nearly 7 hours manually updating document links across 12 active automation sequences, because revised component drawings required new cloud URLs for every active client and vendor email thread. This manual workaround introduces risk: on one occasion, I pasted an outdated drawing link into an automated flow, and a vendor almost fabricated parts against obsolete specifications before our engineering team caught the error.

Another major frustration is Klaviyo’s contact-count billing model, which counts every individual vendor contact, shop floor technician, and client stakeholder toward our profile limit. Most of our industrial projects require multiple points of contact at each supplier and client company. For example, one component vendor might have a purchasing lead, quality inspector, and production manager, and all three contacts must receive our material lead-time notifications. Each of those three team members counts as separate Klaviyo profiles, which pushes us into higher pricing tiers faster than we anticipated. We cannot group multiple contacts under a single vendor or client account for billing purposes, so we are forced to clean our contact list every month to archive inactive supplier contacts, eating up hours of operational time that should go to shop floor scheduling.

The platform’s reporting tools also lack manufacturing-specific filtering options. We need to track email engagement grouped by vendor or project to see which suppliers are ignoring our lead-time alerts. Klaviyo’s reports only filter by individual contact, so I must export raw CSV data and manually sort entries by project ID in Excel to build our vendor communication audit trail. This manual data manipulation adds roughly four hours of work every month.

An unexpected pain point we found is rigid email consent rules designed for consumer marketing. Many of our long-term industrial suppliers expect operational lead-time updates as part of our ongoing business relationship, but Klaviyo treats these operational B2B messages the same as promotional marketing emails. If a vendor unsubscribes by accident, the platform blocks all automated operational notifications, including critical material shortage warnings. Last quarter, a metal supplier’s purchasing lead unsubscribed inadvertently, and we missed a window to notify them of a raw material delay, creating a two-week hold on one of our custom equipment builds.

For a small manufacturing team without IT resources, Klaviyo’s e-commerce-first design forces us to maintain clunky manual workarounds for the technical documentation and B2B operational communications central to our business. Its contact-based pricing and inflexible unsubscribe rules create financial and operational risks that can directly impact our rigid equipment delivery deadlines. Review collected by and hosted on G2.com.

What problems is Klaviyo solving and how is that benefiting you?

As Senior Manufacturing Operations & Vendor Partnership Manager at Alenx Industrial Fabricators, I oversee small-batch custom equipment builds, component supplier coordination, and client technical communications. Our lean 11–50 person team has no dedicated IT or marketing staff, and before implementing Klaviyo, we struggled with three core operational pain points: scattered manual status updates that ate up shop-floor time, generic bulk emails that failed to target the right suppliers or clients, and zero visibility into whether our critical manufacturing communications were being read. Klaviyo’s trigger-based automation, custom contact segmentation, and engagement tracking resolve these challenges, stabilizing our client and vendor communications to keep our rigid manufacturing delivery timelines on track.

First, Klaviyo eliminates the repetitive manual email writing and sending that previously consumed hours of my weekly schedule. We previously drafted individual emails to notify clients when their equipment moved from component sourcing to assembly, and separately sent lead-time alerts to each metal and machining supplier manually. The drag-and-drop flow builder lets me build automated sequences triggered by custom project status changes. For example, I set up a flow that launches when we mark a custom fabrication project as “component sourcing underway”; the system instantly sends a personalized update email to the client’s engineering lead, with embedded custom fields that populate the equipment model and target delivery date automatically. This automation cuts roughly 6 hours of repetitive email drafting and sending work every week, freeing me to focus on shop-floor oversight and vendor quality inspections.

Second, Klaviyo’s granular segmentation tools solve the problem of one-size-fits-all mass emails that created confusion for our B2B manufacturing stakeholders. I created separate lists and segments for active equipment clients, prospective industrial buyers, raw material suppliers, and third-party inspection partners. When we had a global steel price adjustment last quarter, I filtered the platform to target only our metal component vendors, and sent a focused notice about revised material pricing and order cutoff dates, rather than spamming our entire contact directory. This targeted outreach ensured only relevant parties received time-sensitive operational updates, reducing unnecessary email clutter and preventing miscommunication with clients who were unaffected by the price shift.

Third, Klaviyo’s built-in engagement dashboard solves our lack of visibility into critical vendor communications. Before Klaviyo, we had no way to confirm if a supplier opened our lead-time warning emails, which sometimes led to missed material orders and production delays. The dashboard displays open and click rates for every message, so I can quickly identify unresponsive contacts. During our spring fabrication season, the dashboard showed that two key machining vendors had not opened our component lead-time alert, allowing me to follow up with direct phone outreach before their production cutoff date and avoid a 3-week hold on a custom equipment build.

An unexpected benefit I’ve discovered is Klaviyo’s custom profile property fields, which act as a lightweight contact database for our manufacturing contacts. I added custom fields to log each vendor’s material type, lead time, and assigned project engineer, so all critical supplier details live alongside our email history. This centralized contact data means new team members can quickly review vendor context without digging through years of old email threads, cutting down on knowledge gaps when our team shifts between active capital projects.

For our small manufacturing team without IT support, Klaviyo turns disjointed manual outreach into structured, trackable communication workflows. It reduces repetitive admin work, ensures targeted updates reach only relevant stakeholders, and flags unresponsive vendors before they create costly production delays, helping us consistently meet our strict custom equipment delivery deadlines. Review collected by and hosted on G2.com.